title: “Dean”
output: html_document
dean <-read.csv(paste(“Deans Dilemma.csv”, sep=“”)) View(dean)
summary(dean)
library(psych)
describe(dean)
median(dean$Salary)
mytable <- table(dean$Placement_B) prop.table(mytable)*100
round(prop.table(mytable)*100,2)
placed <- dean[ which(dean$Placement_B== 1), ] View(placed)
median(placed$Salary)
agg <-(aggregate(Salary~Gender, data= placed, mean)) agg
hist(placed$Percent_MBA, main=‘MBA Performance of placed students’, xlab=‘MBA Percantage’, ylab=‘Count’,xlim=c(50,80),breaks=2.5,col=“grey”)
notplaced <- dean[ which(dean$Placement_B== 0), ] View(notplaced)
library(lattice) histogram(~Percent_MBA|Placement, data=dean, breaks=2.5, xlab=‘MBA Percentage’)
bwplot(Gender~Salary, data=dean, horizontal=TRUE,xlab=“Salary”, main=“Comparison of Salaries of male and female”,ylab=“Gender”)
placedET <- placed[ which(placed$Entrance_Tes!= “None”), ] View(placedET)
library(car) scatterplotMatrix(formula=~Salary+Percent_MBA+Percentile_ET,data=placedET,daigonal=“histogram”, main=“Scatter Plot Matrix”)