How to create boxplot in R?

Description

To create a boxplot for the given data using R programming.

Boxplot:

  • Measure how well data is distributed
    in a data set.
  • Divides the data set into three quartiles.
  • Represents the minimum, maximum,
    median, first quartile and third
    quartile in the data set.
  • Useful in comparing the distribution
    of data across data sets by drawing
    boxplots for each of them.
  • R Function : boxplot()

#Data Visualization in Box plot

#Read File
print(getwd())
setwd(“/home/soft13″)
print(getwd())
data<-read.csv(‘input.csv’)
print(data)

#Box Plot
age<-c(34,34,10,20,10,20,34,10)
boxplot(data$salary~age,main=”Box Plot”,xlab=”Age”,ylab=”Salary”,col=”green”)

#Adding Notch
boxplot(data$salary~age,main=”Box Plot”,xlab=”Age”,ylab=”Salary”,col=”green”,notch=TRUE)

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