R Get Started

R Tutorial

 R Get Started

R Get Started

This section will help you start using R step by step, even if you are a complete beginner.

 Step 1: Install R

  1. Go to the official R website

  2. Download R according to your operating system:

    • Windows

    • macOS

    • Linux

  3. Install it like any normal software

 After installation, you will get the R Console, where you can run R commands.

 Step 2: Install RStudio (Recommended)

Although R works alone, RStudio makes R much easier and more powerful.

Why RStudio?

  • User-friendly interface

  • Code editor + console in one place

  • Easy data visualization

  • Best for beginners

 Download and install RStudio after installing R.

 Step 3: Open RStudio Interface

When you open RStudio, you will see:

  • Source Panel – write R code

  • Console – run commands

  • Environment – view variables

  • Plots / Packages / Help – outputs & docs

 Step 4: Your First R Program

Type this in the Console or Source Panel:

Output:

[1] "Hello, World!"

 Congratulations! You just ran your first R program.

 Step 5: Basic Calculations in R

R works like a powerful calculator.

 Step 6: Create Variables

  • <- is the assignment operator

  • Variables store values for reuse

 Step 7: Install & Use Packages

Packages add extra features to R.

Install a package (only once):

Use the package:

 Step 8: Get Help in R

R has built-in documentation for everything.

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