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#Code for Project 4 | |
#install packages - this only needs to run once per machine | |
install.packages('readr') | |
install.packages('dplyr') | |
install.packages('ggplot2') | |
install.packages('scales') | |
install.packages('grid') | |
#load packages | |
library(readr) | |
library(dplyr) | |
library(ggplot2) | |
library(scales) | |
library(grid) | |
#set working directory | |
setwd('/Users/robertmoffitt/Desktop/R Code') | |
#read in data | |
a <- read.csv('usa_00013.csv') | |
#select year, perwt, sex, race and region | |
b <- select(a,YEAR,PERWT,AGE,RACE,REGION,MARST) | |
#Age categories using floor function | |
c <- mutate(b,AGECAT=ifelse(AGE >= 70,20,floor(AGE/50))) | |
#Create age categories | |
AGEC <- c('20-69') | |
#Attach labels fo AGECAT | |
d <- mutate(c,AGECAT=factor(AGECAT,labels=AGEC)) | |
#factor RACE variable to just white and black | |
e <- mutate(d,Race=ifelse(RACE==1,'white',ifelse(RACE==2,'black','other'))) | |
#create new variable for region | |
f <- mutate(e,Region=ifelse(REGION<=13,'Northeast',ifelse(REGION<=23,'Midwest',ifelse(REGION<=34,'South',ifelse(REGION<=43,'West','other'))))) | |
#take out regions I am not looking at | |
g <- filter(f,Region!='other') | |
#Create categories for marital status | |
h <- mutate(g,MaritalStatus=ifelse(MARST<=2,'Married',ifelse(MARST<=4,'Separated or Divorced',ifelse(MARST<=5,'Widowed','Never Married')))) | |
#filter out the other race category | |
i <- filter(h,Race!='other') | |
#select new variables | |
j <- select(i,YEAR,PERWT,AGECAT,Race,Region,MaritalStatus) | |
#sum across unique combinations of year, sex, race, region and marital status | |
k <- summarise(group_by(j,YEAR,AGECAT,Race,Region,MaritalStatus),NUMBER=sum(PERWT)) | |
#Graph with race as the filled variable, and by gender and region | |
l <- ggplot(k,aes(x=YEAR,y=NUMBER,fill=MaritalStatus)) + | |
geom_bar(stat='identity') + | |
facet_grid(Race~.~Region) | |
print(l) | |
#Graph as percents | |
l <- ggplot(k,aes(x=YEAR,y=NUMBER,fill=MaritalStatus)) + | |
geom_bar(stat='identity',position="fill") + | |
facet_grid(Race~.~Region) + | |
scale_y_continuous(labels = scales::percent) | |
print(l) | |
#Add labels to the Graphs | |
m <- l + labs(title='Population by Race, Region, and Marital Status',x='Year',y='Number') | |
print(m) |
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