Iris Dataset R Session

1. Load Dataset

data(iris)
dim(iris)
  

Output: (150, 5)

2. Check Factor Levels

levels(iris$Species)
  

Output: setosa, versicolor, virginica

3. Inspect Dataset

force(iris)
head(iris)
names(iris)
str(iris)
attributes(iris)
  

4. Display Rows

iris[1:5]
  

5. Visualizations

hist(iris$Sepal.Length)
plot(density(iris$Sepal.Length))
pie(table(iris$Species))
barplot(table(iris$Species))
  

6. Correlation

cor(iris$Sepal.Length, iris$Sepal.Width)
  

Output: 0.7425467