1 Esoph Data

1.1 Introduction

1.1.1 Packages

library(tidyverse)
library(readr)
library(ggplot2)
library(data.table)
library(dplyr)
library(ggthemes)
library(ggpubr)
library(knitr)
library(corrplot)

1.1.2 Data Overview

data<-data.frame()
data<-esoph

glimpse(esoph)
## Rows: 88
## Columns: 5
## $ agegp     <ord> 25-34, 25-34, 25-34, 25-34, 25-34, 25-34, 25-34, 25-34, 2...
## $ alcgp     <ord> 0-39g/day, 0-39g/day, 0-39g/day, 0-39g/day, 40-79, 40-79,...
## $ tobgp     <ord> 0-9g/day, 10-19, 20-29, 30+, 0-9g/day, 10-19, 20-29, 30+,...
## $ ncases    <dbl> 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, ...
## $ ncontrols <dbl> 40, 10, 6, 5, 27, 7, 4, 7, 2, 1, 2, 1, 1, 1, 2, 60, 14, 7...
summary(esoph)
##    agegp          alcgp         tobgp        ncases         ncontrols    
##  25-34:15   0-39g/day:23   0-9g/day:24   Min.   : 0.000   Min.   : 1.00  
##  35-44:15   40-79    :23   10-19   :24   1st Qu.: 0.000   1st Qu.: 3.00  
##  45-54:16   80-119   :21   20-29   :20   Median : 1.000   Median : 6.00  
##  55-64:16   120+     :21   30+     :20   Mean   : 2.273   Mean   :11.08  
##  65-74:15                                3rd Qu.: 4.000   3rd Qu.:14.00  
##  75+  :11                                Max.   :17.000   Max.   :60.00

1.2 EDA for Esoph Data

1.2.1 Age Effect on Percentage of Cases

age_effect <- esoph %>% group_by(agegp) %>%
    summarise(tot_rows = n(), people_cancer = sum(ncases), people_total = sum(ncontrols),
              percentage=people_cancer*100/people_total)

ggplot(age_effect, aes(x=agegp, 
                       y=percentage, 
                       fill=agegp)) + 
                       geom_col()+
                       labs(x="Age Groups",y="Percentage of Cases", title= "Cancer Cases for each Age Groups") + 
                       theme(legend.position = "none")

1.2.2 Alcohol Effect on Percentage of Cases

alcohol_effect <- esoph %>% group_by(alcgp) %>%
    summarise(tot_rows = n(), people_cancer = sum(ncases), people_total = sum(ncontrols),
              percentage=people_cancer*100/people_total)

ggplot(alcohol_effect, aes(x=alcgp,
                           y=percentage, 
                           fill=alcgp)) + 
        geom_col( ) +

labs(         x="Alcohol Consumption",
              y="Percentage of Cases", 
              title= "Cases for Alcohol consumption") + 
              theme(legend.position = "none")

1.2.3 Tobocco Effect on Percentage of Cases

tobacco_effect <- esoph %>% group_by(tobgp) %>%
    summarise(tot_rows = n(), 
              people_cancer = sum(ncases), 
              people_total = sum(ncontrols),
              percentage=people_cancer*100/people_total)

ggplot(tobacco_effect, aes(x=tobgp, 
                           y=percentage, 
                           fill=tobgp)) + 
        geom_bar(stat = "identity") + 
  
  labs(x="Tobacco Consumption",
       y="Percentage of Cases", 
       title= "Cases for Tobacco consumption") + 
       theme(legend.position = "none")

1.2.4 Comparison of Tobocco and Alcohol

tobgp_and_alcgp<- esoph %>% 
  group_by(tobgp,alcgp)%>% 
  summarise(tot_rows = n(),
              total_case = sum(ncases), 
              total_control = sum(ncontrols), 
              percentage=100*(total_case/total_control))

ggplot(tobgp_and_alcgp,aes(x=alcgp,
                       y=percentage,
                       fill=alcgp))+
  geom_col( )+
  facet_grid(tobgp ~.)+
  theme(text=element_text(size=8))+
  labs(x="Alcohol Consumption",
       y="Cancer Percentage",
       title="Alcohol Consumption and Tobocco Consumption according to Cancer Percentage") +
  theme(legend.position = "none")

2 Young People Survey Data

2.1 Introduction

response <- read_csv("dataset.csv")
glimpse(response)
## Rows: 1,010
## Columns: 150
## $ Music                            <dbl> 5, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5...
## $ `Slow songs or fast songs`       <dbl> 3, 4, 5, 3, 3, 3, 5, 3, 3, 3, 3, 3...
## $ Dance                            <dbl> 2, 2, 2, 2, 4, 2, 5, 3, 3, 2, 3, 1...
## $ Folk                             <dbl> 1, 1, 2, 1, 3, 3, 3, 2, 1, 5, 2, 1...
## $ Country                          <dbl> 2, 1, 3, 1, 2, 2, 1, 1, 1, 2, 1, 1...
## $ `Classical music`                <dbl> 2, 1, 4, 1, 4, 3, 2, 2, 2, 2, 2, 4...
## $ Musical                          <dbl> 1, 2, 5, 1, 3, 3, 2, 2, 4, 5, 3, 1...
## $ Pop                              <dbl> 5, 3, 3, 2, 5, 2, 5, 4, 3, 3, 4, 2...
## $ Rock                             <dbl> 5, 5, 5, 2, 3, 5, 3, 5, 5, 5, 3, 5...
## $ `Metal or Hardrock`              <dbl> 1, 4, 3, 1, 1, 5, 1, 1, 5, 2, 2, 1...
## $ Punk                             <dbl> 1, 4, 4, 4, 2, 3, 1, 2, 1, 3, 1, 1...
## $ `Hiphop, Rap`                    <dbl> 1, 1, 1, 2, 5, 4, 3, 3, 1, 2, 3, 1...
## $ `Reggae, Ska`                    <dbl> 1, 3, 4, 2, 3, 3, 1, 2, 2, 4, 2, 1...
## $ `Swing, Jazz`                    <dbl> 1, 1, 3, 1, 2, 4, 1, 2, 2, 4, 2, 2...
## $ `Rock n roll`                    <dbl> 3, 4, 5, 2, 1, 4, 2, 3, 2, 4, 3, 2...
## $ Alternative                      <dbl> 1, 4, 5, 5, 2, 5, 3, 1, NA, 4, 3, ...
## $ Latino                           <dbl> 1, 2, 5, 1, 4, 3, 3, 2, 1, 5, 3, 2...
## $ `Techno, Trance`                 <dbl> 1, 1, 1, 2, 2, 1, 5, 3, 1, 1, 4, 1...
## $ Opera                            <dbl> 1, 1, 3, 1, 2, 3, 2, 2, 1, 2, 2, 2...
## $ Movies                           <dbl> 5, 5, 5, 5, 5, 5, 4, 5, 5, 5, 5, 5...
## $ Horror                           <dbl> 4, 2, 3, 4, 4, 5, 2, 4, 1, 2, 5, 3...
## $ Thriller                         <dbl> 2, 2, 4, 4, 4, 5, 1, 4, 5, 1, 4, 4...
## $ Comedy                           <dbl> 5, 4, 4, 3, 5, 5, 5, 5, 5, 5, 5, 4...
## $ Romantic                         <dbl> 4, 3, 2, 3, 2, 2, 3, 2, 4, 5, 3, 3...
## $ `Sci-fi`                         <dbl> 4, 4, 4, 4, 3, 3, 1, 3, 4, 1, 3, 2...
## $ War                              <dbl> 1, 1, 2, 3, 3, 3, 3, 3, 5, 3, 2, 5...
## $ `Fantasy/Fairy tales`            <dbl> 5, 3, 5, 1, 4, 4, 5, 4, 4, 4, 5, 5...
## $ Animated                         <dbl> 5, 5, 5, 2, 4, 3, 5, 4, 4, 4, 5, 5...
## $ Documentary                      <dbl> 3, 4, 2, 5, 3, 3, 3, 3, 5, 4, 3, 5...
## $ Western                          <dbl> 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1...
## $ Action                           <dbl> 2, 4, 1, 2, 4, 4, 2, 3, 1, 2, 3, 4...
## $ History                          <dbl> 1, 1, 1, 4, 3, 5, 3, 5, 3, 3, 3, 2...
## $ Psychology                       <dbl> 5, 3, 2, 4, 2, 3, 3, 2, 2, 2, 3, 2...
## $ Politics                         <dbl> 1, 4, 1, 5, 3, 4, 1, 3, 1, 3, 3, 5...
## $ Mathematics                      <dbl> 3, 5, 5, 4, 2, 2, 1, 1, 1, 3, 2, 1...
## $ Physics                          <dbl> 3, 2, 2, 1, 2, 3, 1, 1, 1, 1, 1, 1...
## $ Internet                         <dbl> 5, 4, 4, 3, 2, 4, 2, 5, 1, 5, 4, 5...
## $ PC                               <dbl> 3, 4, 2, 1, 2, 4, 1, 4, 1, 1, 5, 4...
## $ `Economy Management`             <dbl> 5, 5, 4, 2, 2, 1, 3, 1, 1, 4, 3, 1...
## $ Biology                          <dbl> 3, 1, 1, 3, 3, 4, 5, 2, 3, 2, 2, 1...
## $ Chemistry                        <dbl> 3, 1, 1, 3, 3, 4, 5, 2, 1, 1, 1, 1...
## $ Reading                          <dbl> 3, 4, 5, 5, 5, 3, 3, 2, 5, 4, 3, 3...
## $ Geography                        <dbl> 3, 4, 2, 4, 2, 3, 3, 3, 1, 4, 3, 5...
## $ `Foreign languages`              <dbl> 5, 5, 5, 4, 3, 4, 4, 4, 1, 5, 5, 2...
## $ Medicine                         <dbl> 3, 1, 2, 2, 3, 4, 5, 1, 1, 1, 2, 1...
## $ Law                              <dbl> 1, 2, 3, 5, 2, 3, 3, 2, 1, 1, 4, 3...
## $ Cars                             <dbl> 1, 2, 1, 1, 3, 5, 4, 1, 1, 1, 2, 1...
## $ `Art exhibitions`                <dbl> 1, 2, 5, 5, 1, 2, 1, 1, 1, 4, 2, 5...
## $ Religion                         <dbl> 1, 1, 5, 4, 4, 2, 1, 2, 2, 4, 2, 1...
## $ `Countryside, outdoors`          <dbl> 5, 1, 5, 1, 4, 5, 4, 2, 4, 4, 4, 5...
## $ Dancing                          <dbl> 3, 1, 5, 1, 1, 1, 3, 1, 1, 5, 1, 1...
## $ `Musical instruments`            <dbl> 3, 1, 5, 1, 3, 5, 2, 1, 2, 3, 1, 1...
## $ Writing                          <dbl> 2, 1, 5, 3, 1, 1, 1, 1, 1, 1, 1, 1...
## $ `Passive sport`                  <dbl> 1, 1, 5, 1, 3, 5, 5, 4, 4, 4, 5, 5...
## $ `Active sport`                   <dbl> 5, 1, 2, 1, 1, 4, 3, 5, 1, 4, 1, 3...
## $ Gardening                        <dbl> 5, 1, 1, 1, 4, 2, 3, 1, 1, 1, 3, 1...
## $ Celebrities                      <dbl> 1, 2, 1, 2, 3, 1, 1, 3, 5, 2, 2, 2...
## $ Shopping                         <dbl> 4, 3, 4, 4, 3, 2, 3, 3, 2, 4, 5, 3...
## $ `Science and technology`         <dbl> 4, 3, 2, 3, 3, 3, 4, 2, 1, 3, 4, 3...
## $ Theatre                          <dbl> 2, 2, 5, 1, 2, 1, 3, 2, 5, 5, 2, 1...
## $ `Fun with friends`               <dbl> 5, 4, 5, 2, 4, 3, 5, 4, 4, 5, 4, 3...
## $ `Adrenaline sports`              <dbl> 4, 2, 5, 1, 2, 3, 1, 2, 1, 2, 1, 1...
## $ Pets                             <dbl> 4, 5, 5, 1, 1, 2, 5, 5, 1, 2, 5, 1...
## $ Flying                           <dbl> 1, 1, 1, 2, 1, 3, 1, 3, 2, 4, 1, 4...
## $ Storm                            <dbl> 1, 1, 1, 1, 2, 2, 3, 2, 3, 5, 1, 1...
## $ Darkness                         <dbl> 1, 1, 1, 1, 1, 2, 2, 4, 1, 4, 2, 1...
## $ Heights                          <dbl> 1, 2, 1, 3, 1, 2, 1, 3, 5, 5, 2, 3...
## $ Spiders                          <dbl> 1, 1, 1, 5, 1, 1, 1, 1, 5, 3, 2, 5...
## $ Snakes                           <dbl> 5, 1, 1, 5, 1, 2, 5, 5, 5, 4, 1, 5...
## $ Rats                             <dbl> 3, 1, 1, 5, 2, 2, 1, 3, 2, 4, 1, 5...
## $ Ageing                           <dbl> 1, 3, 1, 4, 2, 1, 4, 1, 2, 3, 1, 5...
## $ `Dangerous dogs`                 <dbl> 3, 1, 1, 5, 4, 1, 1, 2, 3, 5, 4, 5...
## $ `Fear of public speaking`        <dbl> 2, 4, 2, 5, 3, 3, 1, 4, 4, 3, 2, 5...
## $ Smoking                          <chr> "never smoked", "never smoked", "t...
## $ Alcohol                          <chr> "drink a lot", "drink a lot", "dri...
## $ `Healthy eating`                 <dbl> 4, 3, 3, 3, 4, 2, 4, 2, 1, 3, 3, 3...
## $ `Daily events`                   <dbl> 2, 3, 1, 4, 3, 2, 3, 3, 1, 4, 3, 3...
## $ `Prioritising workload`          <dbl> 2, 2, 2, 4, 1, 2, 5, 1, 2, 2, 2, 1...
## $ `Writing notes`                  <dbl> 5, 4, 5, 4, 2, 3, 5, 3, 1, 2, 4, 5...
## $ Workaholism                      <dbl> 4, 5, 3, 5, 3, 3, 5, 2, 4, 3, 2, 3...
## $ `Thinking ahead`                 <dbl> 2, 4, 5, 3, 5, 3, 3, 4, 2, 3, 3, 1...
## $ `Final judgement`                <dbl> 5, 1, 3, 1, 5, 1, 3, 3, 5, 5, 3, 1...
## $ Reliability                      <dbl> 4, 4, 4, 3, 5, 3, 4, 3, 5, 4, 4, 3...
## $ `Keeping promises`               <dbl> 4, 4, 5, 4, 4, 4, 5, 3, 4, 5, 4, 3...
## $ `Loss of interest`               <dbl> 1, 3, 1, 5, 2, 3, 3, 1, 1, 3, 1, 3...
## $ `Friends versus money`           <dbl> 3, 4, 5, 2, 3, 2, 4, 4, 4, 4, 3, 3...
## $ Funniness                        <dbl> 5, 3, 2, 1, 3, 3, 4, 4, 2, 3, 2, 5...
## $ Fake                             <dbl> 1, 2, 4, 1, 2, 1, 1, 2, 2, 1, 1, 3...
## $ `Criminal damage`                <dbl> 1, 1, 1, 5, 1, 4, 2, 1, 1, 2, 1, 5...
## $ `Decision making`                <dbl> 3, 2, 3, 5, 3, 2, 2, 3, 4, 5, 5, 3...
## $ Elections                        <dbl> 4, 5, 5, 5, 5, 5, 5, 5, 1, 5, 5, 1...
## $ `Self-criticism`                 <dbl> 1, 4, 4, 5, 5, 4, 3, 3, 3, 4, 4, 5...
## $ `Judgment calls`                 <dbl> 3, 4, 4, 4, 5, 4, 5, 5, 2, 5, 5, 3...
## $ Hypochondria                     <dbl> 1, 1, 1, 3, 1, 1, 1, 2, 2, 1, 2, 5...
## $ Empathy                          <dbl> 3, 2, 5, 3, 3, 4, 4, 1, 5, 4, 5, 5...
## $ `Eating to survive`              <dbl> 1, 1, 5, 1, 1, 2, 1, 2, 1, 1, 2, 1...
## $ Giving                           <dbl> 4, 2, 5, 1, 3, 3, 5, 3, 1, 4, 3, 1...
## $ `Compassion to animals`          <dbl> 5, 4, 4, 2, 3, 5, 5, 5, 4, 5, 5, 2...
## $ `Borrowed stuff`                 <dbl> 4, 3, 2, 5, 4, 5, 5, 2, 5, 4, 4, 2...
## $ Loneliness                       <dbl> 3, 2, 5, 5, 3, 2, 3, 2, 4, 2, 2, 4...
## $ `Cheating in school`             <dbl> 2, 4, 3, 5, 5, 4, 2, 5, 5, 3, 3, 5...
## $ Health                           <dbl> 1, 4, 2, 1, 3, 3, 3, 3, 4, 4, 3, 2...
## $ `Changing the past`              <dbl> 1, 4, 5, 5, 4, 3, 1, 2, 5, 2, 3, 3...
## $ God                              <dbl> 1, 1, 5, 4, 5, 3, 5, 4, 5, 5, 4, 1...
## $ Dreams                           <dbl> 4, 3, 1, 3, 3, 3, 3, 4, 4, 3, 3, 3...
## $ Charity                          <dbl> 2, 1, 3, 3, 3, 2, 3, 1, 1, 2, 1, 3...
## $ `Number of friends`              <dbl> 3, 3, 3, 1, 3, 3, 3, 4, 2, 3, 3, 4...
## $ Punctuality                      <chr> "i am always on time", "i am often...
## $ Lying                            <chr> "never", "sometimes", "sometimes",...
## $ Waiting                          <dbl> 3, 3, 2, 1, 3, 3, 4, 1, 2, 1, 3, 3...
## $ `New environment`                <dbl> 4, 4, 3, 1, 4, 4, 5, 4, 2, 4, 3, 5...
## $ `Mood swings`                    <dbl> 3, 4, 4, 5, 2, 3, 5, 3, 3, 4, 3, 5...
## $ `Appearence and gestures`        <dbl> 4, 4, 3, 3, 3, 3, 4, 4, 4, 3, 4, 2...
## $ Socializing                      <dbl> 3, 4, 5, 1, 3, 4, 5, 2, 4, 4, 3, 5...
## $ Achievements                     <dbl> 4, 2, 3, 3, 3, 2, 4, 4, 2, 4, 3, 3...
## $ `Responding to a serious letter` <dbl> 3, 4, 4, 3, 3, 2, 3, 3, 2, 4, 4, 3...
## $ Children                         <dbl> 5, 2, 4, 2, 5, 3, 2, 4, 4, 3, 5, 5...
## $ Assertiveness                    <dbl> 1, 2, 3, 5, 4, 4, 3, 3, 1, 4, 2, 4...
## $ `Getting angry`                  <dbl> 1, 5, 4, 5, 2, 3, 3, 1, 3, 3, 1, 3...
## $ `Knowing the right people`       <dbl> 3, 4, 3, 4, 3, 4, 4, 4, 3, 4, 3, 5...
## $ `Public speaking`                <dbl> 5, 4, 2, 5, 5, 4, 3, 5, 4, 5, 3, 5...
## $ Unpopularity                     <dbl> 5, 4, 4, 3, 5, 4, 3, 2, 5, 3, 3, 2...
## $ `Life struggles`                 <dbl> 1, 1, 4, 3, 2, 3, 5, 2, 4, 5, 5, 4...
## $ `Happiness in life`              <dbl> 4, 4, 4, 2, 3, 3, 5, 4, 3, 4, 4, 3...
## $ `Energy levels`                  <dbl> 5, 3, 4, 2, 5, 4, 4, 4, 1, 4, 3, 3...
## $ `Small - big dogs`               <dbl> 1, 5, 3, 1, 3, 4, 3, 3, 5, 1, 2, 1...
## $ Personality                      <dbl> 4, 3, 3, 2, 3, 3, 3, 4, 3, 3, 3, 3...
## $ `Finding lost valuables`         <dbl> 3, 4, 3, 1, 2, 3, 2, 2, 5, 3, 2, 3...
## $ `Getting up`                     <dbl> 2, 5, 4, 1, 4, 3, 2, 5, 5, 4, 4, 5...
## $ `Interests or hobbies`           <dbl> 3, 3, 5, NA, 3, 5, 4, 4, 1, 3, 3, ...
## $ `Parents' advice`                <dbl> 4, 2, 3, 2, 3, 3, 4, 3, 4, 3, 4, 4...
## $ `Questionnaires or polls`        <dbl> 3, 3, 1, 4, 3, 4, 5, 3, 3, 3, 4, 4...
## $ `Internet usage`                 <chr> "few hours a day", "few hours a da...
## $ Finances                         <dbl> 3, 3, 2, 2, 4, 2, 4, 3, 2, 4, 2, 2...
## $ `Shopping centres`               <dbl> 4, 4, 4, 4, 3, 3, 3, 4, 1, 4, 4, 2...
## $ `Branded clothing`               <dbl> 5, 1, 1, 3, 4, 3, 1, 4, 3, 4, 2, 1...
## $ `Entertainment spending`         <dbl> 3, 4, 4, 3, 3, 3, 3, 4, 2, 2, 3, 3...
## $ `Spending on looks`              <dbl> 3, 2, 3, 4, 3, 1, 4, 4, 1, 3, 4, 1...
## $ `Spending on gadgets`            <dbl> 1, 5, 4, 4, 2, 4, 1, 3, 3, 2, 2, 1...
## $ `Spending on healthy eating`     <dbl> 3, 2, 2, 1, 4, 4, 5, 2, 4, 4, 2, 2...
## $ Age                              <dbl> 20, 19, 20, 22, 20, 20, 20, 19, 18...
## $ Height                           <dbl> 163, 163, 176, 172, 170, 186, 177,...
## $ Weight                           <dbl> 48, 58, 67, 59, 59, 77, 50, 90, 55...
## $ `Number of siblings`             <dbl> 1, 2, 2, 1, 1, 1, 1, 1, 1, 3, 2, 1...
## $ Gender                           <chr> "female", "female", "female", "fem...
## $ `Left - right handed`            <chr> "right handed", "right handed", "r...
## $ Education                        <chr> "college/bachelor degree", "colleg...
## $ `Only child`                     <chr> "no", "no", "no", "yes", "no", "no...
## $ `Village - town`                 <chr> "village", "city", "city", "city",...
## $ `House - block of flats`         <chr> "block of flats", "block of flats"...

2.2 PCA for Survey Data

fil_res <- response %>%
  select("Music":"Dancing")

fil_res=fil_res[complete.cases(fil_res),]

fil_res_pca <- princomp(as.matrix(fil_res),cor=T)
summary(fil_res_pca,loadings=TRUE)
## Importance of components:
##                           Comp.1     Comp.2     Comp.3     Comp.4     Comp.5
## Standard deviation     2.3813398 2.09488456 1.86461880 1.58065026 1.55647308
## Proportion of Variance 0.1111917 0.08604983 0.06817261 0.04898932 0.04750213
## Cumulative Proportion  0.1111917 0.19724158 0.26541419 0.31440351 0.36190564
##                            Comp.6     Comp.7     Comp.8     Comp.9    Comp.10
## Standard deviation     1.42129267 1.28689865 1.22479860 1.19651948 1.17477272
## Proportion of Variance 0.03960927 0.03247271 0.02941435 0.02807174 0.02706061
## Cumulative Proportion  0.40151491 0.43398762 0.46340196 0.49147370 0.51853431
##                           Comp.11    Comp.12    Comp.13    Comp.14    Comp.15
## Standard deviation     1.09607185 1.06151900 1.04252055 0.99885269 0.98712670
## Proportion of Variance 0.02355634 0.02209456 0.02131077 0.01956288 0.01910626
## Cumulative Proportion  0.54209065 0.56418521 0.58549598 0.60505886 0.62416511
##                           Comp.16   Comp.17    Comp.18    Comp.19    Comp.20
## Standard deviation     0.96945864 0.9633228 0.92796745 0.92353540 0.89390803
## Proportion of Variance 0.01842843 0.0181959 0.01688478 0.01672388 0.01566807
## Cumulative Proportion  0.64259355 0.6607894 0.67767422 0.69439810 0.71006617
##                          Comp.21    Comp.22    Comp.23    Comp.24    Comp.25
## Standard deviation     0.8793068 0.86575108 0.83229879 0.82989347 0.81904557
## Proportion of Variance 0.0151604 0.01469657 0.01358277 0.01350438 0.01315364
## Cumulative Proportion  0.7252266 0.73992314 0.75350591 0.76701028 0.78016392
##                           Comp.26    Comp.27    Comp.28   Comp.29    Comp.30
## Standard deviation     0.81478684 0.78837224 0.77455763 0.7586033 0.75636319
## Proportion of Variance 0.01301721 0.01218688 0.01176352 0.0112839 0.01121736
## Cumulative Proportion  0.79318113 0.80536801 0.81713153 0.8284154 0.83963279
##                           Comp.31    Comp.32    Comp.33   Comp.34     Comp.35
## Standard deviation     0.74543566 0.73083232 0.71834498 0.7175126 0.698295534
## Proportion of Variance 0.01089558 0.01047286 0.01011803 0.0100946 0.009561111
## Cumulative Proportion  0.85052836 0.86100122 0.87111925 0.8812138 0.890774960
##                            Comp.36     Comp.37     Comp.38     Comp.39
## Standard deviation     0.679817425 0.672462410 0.656138851 0.642621752
## Proportion of Variance 0.009061799 0.008866778 0.008441533 0.008097308
## Cumulative Proportion  0.899836759 0.908703537 0.917145070 0.925242378
##                            Comp.40     Comp.41     Comp.42     Comp.43
## Standard deviation     0.640903566 0.623731679 0.619026276 0.598016855
## Proportion of Variance 0.008054066 0.007628259 0.007513599 0.007012238
## Cumulative Proportion  0.933296445 0.940924704 0.948438302 0.955450541
##                            Comp.44     Comp.45     Comp.46     Comp.47
## Standard deviation     0.582772708 0.568569235 0.554139466 0.542412893
## Proportion of Variance 0.006659295 0.006338647 0.006020991 0.005768858
## Cumulative Proportion  0.962109835 0.968448482 0.974469473 0.980238331
##                            Comp.48     Comp.49     Comp.50     Comp.51
## Standard deviation     0.526274226 0.509340699 0.509094052 0.460734044
## Proportion of Variance 0.005430678 0.005086823 0.005081897 0.004162272
## Cumulative Proportion  0.985669009 0.990755831 0.995837728 1.000000000
## 
## Loadings:
##                          Comp.1 Comp.2 Comp.3 Comp.4 Comp.5 Comp.6 Comp.7
## Music                                                 0.189  0.136       
## Slow songs or fast songs                                     0.196       
## Dance                                   0.357                      -0.120
## Folk                      0.217                             -0.283       
## Country                   0.164                             -0.308 -0.123
## Classical music           0.280                             -0.174  0.111
## Musical                   0.203  0.130  0.107               -0.161       
## Pop                              0.115  0.307         0.110              
## Rock                      0.163 -0.112 -0.152         0.338        -0.107
## Metal or Hardrock         0.116 -0.204 -0.217         0.191        -0.107
## Punk                      0.115 -0.163 -0.165         0.284  0.175 -0.163
## Hiphop, Rap                             0.311                0.118 -0.129
## Reggae, Ska               0.117         0.105         0.152        -0.298
## Swing, Jazz               0.254                0.103        -0.103 -0.136
## Rock n roll               0.218                       0.254        -0.167
## Alternative               0.183        -0.176  0.104  0.170  0.123 -0.122
## Latino                    0.149  0.156  0.240               -0.105 -0.158
## Techno, Trance                          0.252                            
## Opera                     0.248                      -0.111 -0.218  0.119
## Movies                                  0.139  0.105  0.169  0.132  0.341
## Horror                          -0.165                0.127  0.122  0.162
## Thriller                        -0.209                0.122  0.128  0.219
## Comedy                                  0.243         0.146              
## Romantic                         0.234  0.184         0.119              
## Sci-fi                          -0.251                0.117 -0.128  0.153
## War                             -0.259                              0.187
## Fantasy/Fairy tales       0.149  0.157  0.144         0.228 -0.109  0.257
## Animated                  0.131         0.120         0.276         0.267
## Documentary               0.170 -0.132               -0.121         0.180
## Western                         -0.245                      -0.207       
## Action                          -0.259  0.147                       0.190
## History                   0.172 -0.135         0.193 -0.203  0.103  0.208
## Psychology                0.172                0.112         0.195       
## Politics                        -0.166         0.251 -0.279  0.143       
## Mathematics                     -0.183        -0.173               -0.236
## Physics                   0.106 -0.220        -0.294 -0.134        -0.149
## Internet                        -0.154  0.160         0.101              
## PC                              -0.289  0.123                            
## Economy Management                      0.161  0.255 -0.101        -0.250
## Biology                   0.185               -0.386         0.272       
## Chemistry                 0.142               -0.442         0.217       
## Reading                   0.233  0.125         0.115         0.104  0.109
## Geography                 0.120                0.131 -0.155  0.134       
## Foreign languages         0.161                0.215         0.179       
## Medicine                  0.183               -0.332 -0.118  0.287       
## Law                                     0.114  0.236 -0.195  0.219       
## Cars                            -0.243  0.188                            
## Art exhibitions           0.232                0.120                     
## Religion                  0.177                      -0.198              
## Countryside, outdoors     0.143                                          
## Dancing                   0.122  0.172  0.214                            
##                          Comp.8 Comp.9 Comp.10 Comp.11 Comp.12 Comp.13 Comp.14
## Music                            0.110  0.300   0.142   0.180   0.141   0.247 
## Slow songs or fast songs  0.187  0.165  0.131           0.276  -0.398  -0.109 
## Dance                     0.251         0.134           0.111          -0.198 
## Folk                      0.154                 0.105          -0.197         
## Country                         -0.104 -0.126   0.259          -0.176         
## Classical music                 -0.125  0.195  -0.143   0.120                 
## Musical                         -0.227                                  0.123 
## Pop                             -0.185                  0.277          -0.189 
## Rock                                                    0.259                 
## Metal or Hardrock                      -0.122           0.168  -0.148         
## Punk                                                                          
## Hiphop, Rap               0.190                -0.199           0.156   0.219 
## Reggae, Ska               0.173        -0.197  -0.185  -0.271   0.175         
## Swing, Jazz               0.136                -0.141  -0.190   0.257         
## Rock n roll                                     0.189                         
## Alternative                      0.107  0.182  -0.152  -0.123                 
## Latino                    0.144                                        -0.103 
## Techno, Trance            0.205  0.107  0.227  -0.270          -0.101         
## Opera                           -0.186  0.154  -0.124   0.114           0.127 
## Movies                                  0.161   0.229  -0.162   0.173  -0.164 
## Horror                          -0.324                 -0.376  -0.323         
## Thriller                  0.112 -0.395                 -0.193  -0.180  -0.119 
## Comedy                   -0.225        -0.203                                 
## Romantic                 -0.227        -0.109   0.104                   0.105 
## Sci-fi                                  0.137                                 
## War                       0.175        -0.196   0.123                   0.136 
## Fantasy/Fairy tales      -0.104  0.141 -0.235  -0.231          -0.127         
## Animated                 -0.141  0.175 -0.207  -0.300          -0.171         
## Documentary                      0.221 -0.148  -0.185                  -0.207 
## Western                   0.141        -0.164   0.171                   0.130 
## Action                                                  0.120   0.171         
## History                   0.113                         0.135                 
## Psychology                                     -0.190          -0.217   0.322 
## Politics                        -0.117 -0.124           0.126                 
## Mathematics              -0.385                        -0.139          -0.245 
## Physics                  -0.241                -0.129                  -0.110 
## Internet                 -0.285  0.160  0.236   0.141   0.149           0.216 
## PC                       -0.232         0.185                           0.153 
## Economy Management       -0.270        -0.137                  -0.140  -0.110 
## Biology                                                                       
## Chemistry                                                       0.114         
## Reading                                                                -0.150 
## Geography                        0.291          0.193                  -0.349 
## Foreign languages                0.120  0.110   0.127                  -0.149 
## Medicine                                        0.144           0.133   0.147 
## Law                      -0.107 -0.151 -0.224           0.106           0.101 
## Cars                                                            0.123   0.245 
## Art exhibitions                         0.219  -0.148  -0.269           0.132 
## Religion                                0.154                  -0.315   0.121 
## Countryside, outdoors            0.410          0.268  -0.290  -0.212         
## Dancing                                         0.200  -0.135  -0.125         
##                          Comp.15 Comp.16 Comp.17 Comp.18 Comp.19 Comp.20
## Music                     0.320   0.252   0.287                   0.429 
## Slow songs or fast songs                          0.317   0.398         
## Dance                            -0.114                  -0.118         
## Folk                              0.130   0.130          -0.178   0.281 
## Country                   0.160                  -0.214           0.164 
## Classical music                           0.101                         
## Musical                  -0.256                   0.116   0.243         
## Pop                      -0.140   0.106                  -0.139  -0.180 
## Rock                                                     -0.141  -0.119 
## Metal or Hardrock                -0.152                                 
## Punk                     -0.225          -0.149                   0.146 
## Hiphop, Rap              -0.126                                   0.123 
## Reggae, Ska              -0.242   0.222  -0.121                   0.219 
## Swing, Jazz               0.118   0.137           0.165          -0.115 
## Rock n roll               0.159                   0.158  -0.109  -0.304 
## Alternative               0.108  -0.107   0.119          -0.152         
## Latino                                                    0.115  -0.234 
## Techno, Trance            0.200  -0.262          -0.134                 
## Opera                    -0.202  -0.106                   0.178   0.167 
## Movies                    0.147          -0.101          -0.144         
## Horror                                    0.232  -0.108   0.150         
## Thriller                 -0.148                  -0.114                 
## Comedy                            0.334  -0.103   0.264   0.112   0.145 
## Romantic                                 -0.164                         
## Sci-fi                    0.190  -0.149  -0.304           0.115   0.139 
## War                       0.205  -0.166                          -0.107 
## Fantasy/Fairy tales                       0.164                         
## Animated                         -0.149   0.147                         
## Documentary                       0.233          -0.203                 
## Western                   0.112  -0.132  -0.185  -0.155   0.298         
## Action                   -0.119          -0.349                         
## History                           0.228                   0.151  -0.134 
## Psychology                0.281   0.229  -0.182  -0.170          -0.190 
## Politics                                          0.118  -0.110         
## Mathematics               0.114                                         
## Physics                   0.103                   0.141                 
## Internet                 -0.125   0.209          -0.323          -0.300 
## PC                       -0.141           0.107  -0.118          -0.124 
## Economy Management               -0.154   0.151                   0.247 
## Biology                                                                 
## Chemistry                                                               
## Reading                                  -0.268           0.175         
## Geography                -0.287           0.193  -0.102                 
## Foreign languages                -0.300          -0.375           0.209 
## Medicine                                                                
## Law                              -0.180   0.113   0.201                 
## Cars                     -0.164  -0.159   0.207   0.302  -0.148         
## Art exhibitions          -0.118  -0.159           0.163                 
## Religion                 -0.150   0.112  -0.348          -0.477         
## Countryside, outdoors    -0.143                   0.166  -0.137         
## Dancing                   0.180  -0.163                   0.187  -0.154 
##                          Comp.21 Comp.22 Comp.23 Comp.24 Comp.25 Comp.26
## Music                     0.105   0.186   0.211           0.160         
## Slow songs or fast songs  0.239  -0.325                  -0.222         
## Dance                             0.223                  -0.117         
## Folk                                     -0.124  -0.132                 
## Country                           0.101  -0.318  -0.207  -0.199         
## Classical music          -0.115                   0.138          -0.125 
## Musical                   0.158  -0.111           0.210  -0.143   0.189 
## Pop                      -0.113   0.194           0.107  -0.214   0.169 
## Rock                     -0.127   0.104   0.163                         
## Metal or Hardrock        -0.193   0.108                   0.234  -0.116 
## Punk                              0.196                                 
## Hiphop, Rap                       0.116           0.165  -0.185  -0.194 
## Reggae, Ska               0.219                                   0.146 
## Swing, Jazz                      -0.225                   0.129  -0.156 
## Rock n roll                      -0.172                  -0.159         
## Alternative                      -0.146  -0.116                         
## Latino                    0.121           0.213           0.397         
## Techno, Trance           -0.306          -0.201           0.131         
## Opera                    -0.174                                         
## Movies                    0.196                  -0.246  -0.182         
## Horror                                            0.117          -0.147 
## Thriller                                  0.207           0.129         
## Comedy                   -0.476  -0.171  -0.142                  -0.216 
## Romantic                 -0.135                   0.139          -0.147 
## Sci-fi                                   -0.213   0.215   0.218   0.311 
## War                       0.205                   0.437  -0.143         
## Fantasy/Fairy tales       0.147                                         
## Animated                  0.199                                         
## Documentary              -0.105           0.406  -0.149  -0.164         
## Western                                          -0.195  -0.147  -0.133 
## Action                           -0.187   0.159  -0.287   0.196   0.221 
## History                           0.274                                 
## Psychology               -0.115                          -0.140   0.428 
## Politics                                 -0.113           0.164         
## Mathematics               0.229   0.125   0.163                         
## Physics                           0.236           0.130                 
## Internet                  0.112          -0.127  -0.128   0.104         
## PC                                                               -0.188 
## Economy Management               -0.252   0.233  -0.126           0.159 
## Biology                          -0.132                                 
## Chemistry                                                               
## Reading                   0.135   0.216                          -0.272 
## Geography                         0.130  -0.274   0.124           0.311 
## Foreign languages                -0.266           0.191  -0.118  -0.157 
## Medicine                         -0.172                                 
## Law                                      -0.225  -0.147   0.119         
## Cars                                                     -0.146         
## Art exhibitions          -0.176   0.137          -0.287  -0.232         
## Religion                  0.173                           0.115  -0.224 
## Countryside, outdoors    -0.163           0.170   0.258           0.106 
## Dancing                           0.111   0.218  -0.185   0.243         
##                          Comp.27 Comp.28 Comp.29 Comp.30 Comp.31 Comp.32
## Music                     0.133           0.204                         
## Slow songs or fast songs                                          0.158 
## Dance                                                             0.135 
## Folk                     -0.302          -0.362           0.166         
## Country                   0.253                          -0.107         
## Classical music                                                  -0.152 
## Musical                          -0.134          -0.279          -0.154 
## Pop                               0.260                                 
## Rock                                                     -0.156         
## Metal or Hardrock                -0.197  -0.205          -0.134         
## Punk                     -0.193  -0.108                   0.129         
## Hiphop, Rap                              -0.194          -0.130  -0.342 
## Reggae, Ska                                                       0.143 
## Swing, Jazz               0.125                          -0.199   0.174 
## Rock n roll                       0.140   0.123                         
## Alternative              -0.182                  -0.136   0.391  -0.257 
## Latino                           -0.276  -0.148           0.182   0.119 
## Techno, Trance                   -0.168          -0.307  -0.134         
## Opera                                     0.197                         
## Movies                   -0.104  -0.394  -0.125  -0.172  -0.176         
## Horror                                                    0.259         
## Thriller                  0.104                          -0.131         
## Comedy                                                    0.131  -0.216 
## Romantic                 -0.287  -0.172                           0.311 
## Sci-fi                   -0.215   0.230  -0.140   0.209           0.124 
## War                      -0.225                                  -0.105 
## Fantasy/Fairy tales                                                     
## Animated                  0.139                   0.118                 
## Documentary              -0.311                                   0.180 
## Western                                   0.351                         
## Action                    0.175   0.137                   0.244  -0.142 
## History                           0.154  -0.174           0.123         
## Psychology                0.164  -0.171  -0.180                         
## Politics                 -0.142                          -0.165         
## Mathematics               0.119                           0.173         
## Physics                   0.108                                         
## Internet                 -0.141   0.116          -0.233                 
## PC                                0.128  -0.176   0.246  -0.313         
## Economy Management                                       -0.249  -0.268 
## Biology                                                                 
## Chemistry                         0.150  -0.116                         
## Reading                   0.230   0.173  -0.224  -0.196  -0.167  -0.106 
## Geography                        -0.272   0.148   0.199          -0.134 
## Foreign languages         0.232          -0.158   0.194   0.240   0.214 
## Medicine                                                                
## Law                               0.185          -0.228   0.139   0.298 
## Cars                      0.191  -0.156  -0.344   0.184   0.167   0.157 
## Art exhibitions                           0.146   0.145                 
## Religion                  0.102  -0.123   0.252   0.193                 
## Countryside, outdoors             0.312          -0.371  -0.149   0.120 
## Dancing                  -0.234                   0.327          -0.310 
##                          Comp.33 Comp.34 Comp.35 Comp.36 Comp.37 Comp.38
## Music                     0.101                                         
## Slow songs or fast songs         -0.127          -0.112                 
## Dance                             0.149  -0.229           0.182   0.302 
## Folk                     -0.120  -0.347                   0.107  -0.127 
## Country                   0.200   0.240                          -0.119 
## Classical music                  -0.131          -0.135  -0.276  -0.147 
## Musical                           0.334           0.117   0.185         
## Pop                              -0.206                                 
## Rock                     -0.106                           0.110  -0.173 
## Metal or Hardrock                -0.141                           0.170 
## Punk                              0.197  -0.161          -0.226         
## Hiphop, Rap              -0.140  -0.120   0.262                         
## Reggae, Ska                              -0.124  -0.102          -0.156 
## Swing, Jazz                      -0.174  -0.258   0.120                 
## Rock n roll                       0.162          -0.124  -0.247         
## Alternative               0.103           0.348  -0.107   0.207   0.218 
## Latino                                            0.167           0.111 
## Techno, Trance            0.124                          -0.118  -0.230 
## Opera                                            -0.183  -0.192         
## Movies                   -0.267          -0.105  -0.109  -0.128   0.120 
## Horror                                   -0.120                         
## Thriller                  0.190  -0.171   0.225                         
## Comedy                                            0.197   0.113         
## Romantic                  0.463           0.217  -0.337                 
## Sci-fi                            0.110   0.100   0.246                 
## War                       0.244  -0.169  -0.216   0.169          -0.124 
## Fantasy/Fairy tales                                                     
## Animated                                                                
## Documentary                       0.314   0.208   0.194          -0.104 
## Western                  -0.229  -0.215   0.203           0.204   0.161 
## Action                    0.170                  -0.246                 
## History                   0.187          -0.238          -0.236   0.349 
## Psychology               -0.146                                         
## Politics                 -0.119   0.166          -0.416   0.475  -0.194 
## Mathematics                      -0.172  -0.107          -0.125  -0.112 
## Physics                  -0.104           0.101                         
## Internet                                 -0.199                  -0.194 
## PC                                        0.143                   0.270 
## Economy Management        0.149  -0.103           0.117           0.256 
## Biology                                                                 
## Chemistry                                                         0.104 
## Reading                   0.236           0.171   0.143          -0.202 
## Geography                        -0.129   0.155                         
## Foreign languages        -0.197          -0.155                  -0.105 
## Medicine                                                                
## Law                      -0.166           0.237   0.255  -0.282         
## Cars                      0.181   0.178                          -0.148 
## Art exhibitions           0.203  -0.157  -0.152   0.241   0.229         
## Religion                          0.144           0.215           0.149 
## Countryside, outdoors    -0.130                  -0.144                 
## Dancing                  -0.111   0.128          -0.113  -0.165  -0.249 
##                          Comp.39 Comp.40 Comp.41 Comp.42 Comp.43 Comp.44
## Music                                                                   
## Slow songs or fast songs                                                
## Dance                    -0.436                   0.246                 
## Folk                     -0.168   0.284                   0.120         
## Country                   0.152  -0.362   0.141                         
## Classical music                  -0.277  -0.235   0.248  -0.133   0.130 
## Musical                           0.111           0.106   0.128   0.230 
## Pop                       0.390                  -0.221  -0.167   0.226 
## Rock                     -0.152  -0.160  -0.237  -0.178   0.295  -0.272 
## Metal or Hardrock         0.190                           0.122   0.321 
## Punk                                      0.218   0.240  -0.345         
## Hiphop, Rap                               0.190   0.255   0.172  -0.258 
## Reggae, Ska                      -0.107  -0.198  -0.357           0.154 
## Swing, Jazz               0.170          -0.133   0.277                 
## Rock n roll              -0.123   0.379   0.206           0.177         
## Alternative                      -0.190          -0.124  -0.175         
## Latino                           -0.177   0.264  -0.120          -0.329 
## Techno, Trance            0.129   0.206          -0.250                 
## Opera                    -0.126           0.123  -0.289          -0.278 
## Movies                    0.135                  -0.121                 
## Horror                    0.230          -0.177           0.333         
## Thriller                 -0.209           0.100          -0.331         
## Comedy                   -0.199                  -0.103  -0.154         
## Romantic                                 -0.150   0.105   0.154         
## Sci-fi                            0.145                          -0.211 
## War                      -0.142  -0.235   0.116                         
## Fantasy/Fairy tales               0.175   0.145                   0.101 
## Animated                                 -0.111                         
## Documentary               0.119                   0.135   0.130         
## Western                           0.210  -0.180          -0.198         
## Action                           -0.146           0.118   0.346         
## History                           0.127          -0.195                 
## Psychology               -0.115                                         
## Politics                  0.186           0.183                         
## Mathematics                       0.130   0.174                   0.121 
## Physics                  -0.169  -0.160  -0.108                  -0.130 
## Internet                                          0.171          -0.208 
## PC                       -0.141           0.237  -0.246           0.265 
## Economy Management                       -0.249                  -0.153 
## Biology                                                          -0.132 
## Chemistry                 0.200                                         
## Reading                  -0.115   0.104  -0.143                         
## Geography                                                 0.156         
## Foreign languages                                                       
## Medicine                 -0.136                                         
## Law                      -0.106  -0.134                           0.138 
## Cars                      0.103   0.191  -0.283          -0.178         
## Art exhibitions                           0.259           0.111         
## Religion                                 -0.123                         
## Countryside, outdoors     0.113                                         
## Dancing                                  -0.145                   0.208 
##                          Comp.45 Comp.46 Comp.47 Comp.48 Comp.49 Comp.50
## Music                                                                   
## Slow songs or fast songs                                                
## Dance                     0.140  -0.174                           0.195 
## Folk                              0.144   0.110           0.109         
## Country                                  -0.176                         
## Classical music                  -0.159   0.405          -0.164   0.236 
## Musical                  -0.249   0.238                                 
## Pop                       0.123                                  -0.143 
## Rock                     -0.191   0.273  -0.128          -0.257   0.170 
## Metal or Hardrock                -0.407  -0.120   0.201   0.157         
## Punk                      0.217   0.291   0.128  -0.115                 
## Hiphop, Rap              -0.105          -0.135   0.106                 
## Reggae, Ska              -0.111  -0.218                                 
## Swing, Jazz               0.131   0.303  -0.267                  -0.176 
## Rock n roll                      -0.270   0.208           0.209         
## Alternative                              -0.199                         
## Latino                                    0.205          -0.101         
## Techno, Trance                    0.182                                 
## Opera                     0.233  -0.105  -0.414           0.166         
## Movies                                                                  
## Horror                    0.258                                         
## Thriller                 -0.331          -0.144                         
## Comedy                                                                  
## Romantic                                                                
## Sci-fi                           -0.175           0.103  -0.104   0.104 
## War                       0.146                  -0.133                 
## Fantasy/Fairy tales              -0.170          -0.136  -0.558  -0.188 
## Animated                          0.122           0.145   0.525   0.119 
## Documentary                                                             
## Western                           0.100   0.143                   0.118 
## Action                            0.108                                 
## History                  -0.324   0.108           0.202  -0.101         
## Psychology                0.206                  -0.198                 
## Politics                                                                
## Mathematics                              -0.191   0.143           0.432 
## Physics                  -0.125           0.127                  -0.627 
## Internet                         -0.200  -0.166                         
## PC                        0.125   0.212   0.179                         
## Economy Management               -0.104   0.145                  -0.128 
## Biology                           0.116   0.148   0.149   0.159   0.180 
## Chemistry                -0.145                  -0.640                 
## Reading                   0.383           0.113                         
## Geography                 0.125                                         
## Foreign languages        -0.175                                  -0.104 
## Medicine                  0.192                   0.505  -0.241  -0.118 
## Law                                              -0.100                 
## Cars                                                              0.117 
## Art exhibitions          -0.214  -0.172   0.193                         
## Religion                                         -0.106                 
## Countryside, outdoors                                                   
## Dancing                                  -0.167                         
##                          Comp.51
## Music                           
## Slow songs or fast songs        
## Dance                           
## Folk                            
## Country                         
## Classical music          -0.111 
## Musical                         
## Pop                             
## Rock                            
## Metal or Hardrock         0.101 
## Punk                            
## Hiphop, Rap                     
## Reggae, Ska                     
## Swing, Jazz                     
## Rock n roll                     
## Alternative                     
## Latino                          
## Techno, Trance                  
## Opera                           
## Movies                          
## Horror                          
## Thriller                        
## Comedy                          
## Romantic                        
## Sci-fi                          
## War                             
## Fantasy/Fairy tales       0.252 
## Animated                 -0.263 
## Documentary                     
## Western                         
## Action                          
## History                         
## Psychology                      
## Politics                        
## Mathematics                     
## Physics                         
## Internet                        
## PC                              
## Economy Management              
## Biology                   0.685 
## Chemistry                -0.275 
## Reading                         
## Geography                       
## Foreign languages               
## Medicine                 -0.442 
## Law                             
## Cars                            
## Art exhibitions                 
## Religion                        
## Countryside, outdoors           
## Dancing
ggplot(data=data.frame(PC=1:length(fil_res_pca$sdev),
Cumulative_Variance=cumsum(fil_res_pca$sdev^2/sum(fil_res_pca$sdev^2))),
aes(x=PC,y=Cumulative_Variance)) + geom_line() +
geom_point() +
scale_y_continuous(labels = scales::percent,breaks=seq(0,1,length.out=11)) +
scale_x_continuous(breaks=seq(0,135,by=5))

2.3 Multidimensional Scaling Method

fil_res_mdsa<- response %>% select("History":"Pets")%>% drop_na()
glimpse(head(as.data.frame(fil_res_mdsa)))
## Rows: 6
## Columns: 32
## $ History                  <dbl> 1, 1, 1, 4, 3, 5
## $ Psychology               <dbl> 5, 3, 2, 4, 2, 3
## $ Politics                 <dbl> 1, 4, 1, 5, 3, 4
## $ Mathematics              <dbl> 3, 5, 5, 4, 2, 2
## $ Physics                  <dbl> 3, 2, 2, 1, 2, 3
## $ Internet                 <dbl> 5, 4, 4, 3, 2, 4
## $ PC                       <dbl> 3, 4, 2, 1, 2, 4
## $ `Economy Management`     <dbl> 5, 5, 4, 2, 2, 1
## $ Biology                  <dbl> 3, 1, 1, 3, 3, 4
## $ Chemistry                <dbl> 3, 1, 1, 3, 3, 4
## $ Reading                  <dbl> 3, 4, 5, 5, 5, 3
## $ Geography                <dbl> 3, 4, 2, 4, 2, 3
## $ `Foreign languages`      <dbl> 5, 5, 5, 4, 3, 4
## $ Medicine                 <dbl> 3, 1, 2, 2, 3, 4
## $ Law                      <dbl> 1, 2, 3, 5, 2, 3
## $ Cars                     <dbl> 1, 2, 1, 1, 3, 5
## $ `Art exhibitions`        <dbl> 1, 2, 5, 5, 1, 2
## $ Religion                 <dbl> 1, 1, 5, 4, 4, 2
## $ `Countryside, outdoors`  <dbl> 5, 1, 5, 1, 4, 5
## $ Dancing                  <dbl> 3, 1, 5, 1, 1, 1
## $ `Musical instruments`    <dbl> 3, 1, 5, 1, 3, 5
## $ Writing                  <dbl> 2, 1, 5, 3, 1, 1
## $ `Passive sport`          <dbl> 1, 1, 5, 1, 3, 5
## $ `Active sport`           <dbl> 5, 1, 2, 1, 1, 4
## $ Gardening                <dbl> 5, 1, 1, 1, 4, 2
## $ Celebrities              <dbl> 1, 2, 1, 2, 3, 1
## $ Shopping                 <dbl> 4, 3, 4, 4, 3, 2
## $ `Science and technology` <dbl> 4, 3, 2, 3, 3, 3
## $ Theatre                  <dbl> 2, 2, 5, 1, 2, 1
## $ `Fun with friends`       <dbl> 5, 4, 5, 2, 4, 3
## $ `Adrenaline sports`      <dbl> 4, 2, 5, 1, 2, 3
## $ Pets                     <dbl> 4, 5, 5, 1, 1, 2
youth_responses_dist <- 1 - cor(fil_res_mdsa)


fil_res_mdsa <- cmdscale(youth_responses_dist,k=2)
colnames(fil_res_mdsa) <- c("x","y")
print(fil_res_mdsa)
##                                  x            y
## History                 0.06372563  0.012956654
## Psychology              0.23826552 -0.024422880
## Politics               -0.14749496  0.107881476
## Mathematics            -0.32345626 -0.297702691
## Physics                -0.32464296 -0.499240678
## Internet               -0.43673303  0.187118496
## PC                     -0.58516404 -0.107666761
## Economy Management     -0.30422083  0.383264449
## Biology                 0.25483318 -0.395803325
## Chemistry               0.12745384 -0.486209735
## Reading                 0.54412403 -0.002498553
## Geography              -0.04741594  0.042633809
## Foreign languages       0.20488850  0.223464512
## Medicine                0.21225026 -0.352629731
## Law                    -0.07751035  0.252871501
## Cars                   -0.58387376  0.046912232
## Art exhibitions         0.37143545  0.009747048
## Religion                0.19597972 -0.174122589
## Countryside, outdoors   0.14091867 -0.071530114
## Dancing                 0.27743365  0.136486519
## Musical instruments     0.16521053 -0.134880364
## Writing                 0.30297822 -0.032446839
## Passive sport          -0.30096850  0.108795592
## Active sport           -0.24240576  0.047405197
## Gardening               0.19439442 -0.077481786
## Celebrities             0.06494596  0.467218540
## Shopping                0.20807212  0.463704403
## Science and technology -0.36445481 -0.278443856
## Theatre                 0.44547786  0.054248884
## Fun with friends       -0.05316373  0.253721685
## Adrenaline sports      -0.30291870  0.041430796
## Pets                    0.08203608  0.095218109
ggplot(data.frame(fil_res_mdsa),aes(x=x,y=y)) + geom_text(label=rownames(fil_res_mdsa),angle=30,size=3)+labs(title="MDS", x= "x coordinate",y="y coordinate")

2.4 K-Means Method

set.seed(58)

genre_cluster<-kmeans(fil_res_mdsa,centers=6)
mds_clusters<-
data.frame(genre=names(genre_cluster$cluster),
cluster_mds=genre_cluster$cluster) %>% arrange(cluster_mds,genre)
mds_clusters
##                                         genre cluster_mds
## Countryside, outdoors   Countryside, outdoors           1
## Gardening                           Gardening           1
## Geography                           Geography           1
## History                               History           1
## Musical instruments       Musical instruments           1
## Pets                                     Pets           1
## Psychology                         Psychology           1
## Religion                             Religion           1
## Celebrities                       Celebrities           2
## Foreign languages           Foreign languages           2
## Shopping                             Shopping           2
## Art exhibitions               Art exhibitions           3
## Dancing                               Dancing           3
## Reading                               Reading           3
## Theatre                               Theatre           3
## Writing                               Writing           3
## Active sport                     Active sport           4
## Adrenaline sports           Adrenaline sports           4
## Economy Management         Economy Management           4
## Fun with friends             Fun with friends           4
## Internet                             Internet           4
## Law                                       Law           4
## Passive sport                   Passive sport           4
## Politics                             Politics           4
## Cars                                     Cars           5
## Mathematics                       Mathematics           5
## PC                                         PC           5
## Physics                               Physics           5
## Science and technology Science and technology           5
## Biology                               Biology           6
## Chemistry                           Chemistry           6
## Medicine                             Medicine           6
ggplot(
    data.frame(fil_res_mdsa) %>% mutate(clusters=as.factor(genre_cluster$cluster),
    genres=rownames(fil_res_mdsa)),aes(x=x,y=y)) +
    geom_text(aes(label=genres,color=clusters),angle=45,size=2) +
    geom_point(data=as.data.frame(genre_cluster$centers),aes(x=x,y=y)
)