program 11

11.To generate a basic box plot using ggplot2,enhanced with notches and outliers ,and grouped by a categorial variable using an in built dataset in R

step 1:Load required package

library(ggplot2)

step 2:load the built in dataset

data(iris)
head(iris)

  Sepal.Length Sepal.Width Petal.Length Petal.Width Species
1          5.1         3.5          1.4         0.2  setosa
2          4.9         3.0          1.4         0.2  setosa
3          4.7         3.2          1.3         0.2  setosa
4          4.6         3.1          1.5         0.2  setosa
5          5.0         3.6          1.4         0.2  setosa
6          5.4         3.9          1.7         0.4  setosa

ggplot(iris,aes(x=Species,y=Sepal.Length))+
  geom_boxplot(notch=TRUE,notchwidth=0.6,outlier.colour ="red",outlier.shape=16,outlier.size =2,fill="skyblue") +
    labs(title = "boxplot",
         x="Sepal.Length",
         y="species")+
    theme_minimal()