First R program in R Programming

Introduction

We write a first R program to learn how to tell the computer what to do using R language.

When you want to see how R prints text on the screen.

When you want to check if your R setup is working.

When you want to learn the basics of R programming.

When you want to start practicing simple commands in R.

Syntax

R Programming

print("Hello, world!")

Use print() to show text or results on the screen.

Text must be inside quotes " " to tell R it is a message.

Examples

This prints the message Hello, world! on the screen.

R Programming

print("Hello, world!")

You can print any message by changing the text inside quotes.

R Programming

print("Welcome to R programming")

You can also print numbers without quotes.

R Programming

print(123)

Sample Program

This program prints a simple greeting message to show how R works.

R Programming

print("Hello, world!")

Important Notes

R shows [1] before the output to indicate the first item in the result.

Always use quotes for text messages in print().

You can run this program in RStudio or any R console.

Summary

The first R program uses print() to show messages.

Text messages must be inside quotes.

Running this program confirms your R setup works.