Get the First parts of a Data Set in R Programming head() Function (original) (raw)

Last Updated : 15 Jul, 2025

head() function in R Language is used to get the first parts of a vector, matrix, table, data frame or function.

Syntax: head(x, n) Parameters: x: specified data typesn: number of row need to be printed

Example 1:

Python3 `

R program to illustrate

head function

Calling the head() function to

get the iris demo dataset

head(iris)

`

Output:

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

Example 2:

Python3 `

R program to illustrate

head function

Calling the head() function to

get the iris demo dataset in

4 rows

head(iris, 4)

`

Output:

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