Get the First parts of a Data Set in R Programming - head() Function Last Updated : 15 Jul, 2025 Comments Improve Suggest changes Like Article Like Report 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 types n: 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 Comment More info K Kanchan_Ray Follow Improve Article Tags : R Language R DataFrame-Function Explore R Tutorial | Learn R Programming Language 4 min read IntroductionR Programming Language - Introduction 4 min read Interesting Facts about R Programming Language 4 min read R vs Python 5 min read Environments in R Programming 3 min read Introduction to R Studio 4 min read How to Install R and R Studio? 4 min read Creation and Execution of R File in R Studio 5 min read Clear the Console and the Environment in R Studio 2 min read Hello World in R Programming 2 min read Fundamentals of RBasic Syntax in R Programming 3 min read Comments in R 3 min read R-Operators 5 min read R-Keywords 2 min read R-Data Types 5 min read VariablesR Variables - Creating, Naming and Using Variables in R 5 min read Scope of Variable in R 5 min read Dynamic Scoping in R Programming 5 min read Lexical Scoping in R Programming 4 min read Input/OutputTaking Input from User in R Programming 7 min read Printing Output of an R Program 4 min read Print the Argument to the Screen in R Programming - print() Function 2 min read Control FlowControl Statements in R Programming 4 min read Decision Making in R Programming - if, if-else, if-else-if ladder, nested if-else, and switch 3 min read Switch case in R 2 min read For loop in R 5 min read R - while loop 5 min read R - Repeat loop 2 min read goto statement in R Programming 2 min read Break and Next statements in R 3 min read FunctionsFunctions in R Programming 5 min read Function Arguments in R Programming 4 min read Types of Functions in R Programming 6 min read Recursive Functions in R Programming 4 min read Conversion Functions in R Programming 4 min read Data StructuresData Structures in R Programming 4 min read R Strings 6 min read R-Vectors 4 min read R-Lists 6 min read R - Array 7 min read R-Matrices 10 min read R-Factors 4 min read R-Data Frames 6 min read Object Oriented ProgrammingR-Object Oriented Programming 7 min read Classes in R Programming 3 min read R-Objects 3 min read Encapsulation in R Programming 3 min read Polymorphism in R Programming 6 min read R - Inheritance 7 min read Abstraction in R Programming 3 min read Looping over Objects in R Programming 5 min read S3 class in R Programming 8 min read Explicit Coercion in R Programming 3 min read Error HandlingHandling Errors in R Programming 3 min read Condition Handling in R Programming 5 min read Debugging in R Programming 3 min read Like