R Programming Examples

Last Updated : 23 Jul, 2025

This R Programming Examples article will cover all R programming practice Questions and learn R Language. We can improve our R programming Skills using sets of questions from basic to advanced, containing a well-explained and detailed solution to each question.

In this article, we will be discussing fundamental concepts like Variables, Data Types, Strings, loops, functions, matrices, Data frames, File handling, and much more.

👁 R-Programming-Examples

R Programming Fundamentals

R Basic Examples

R Comments

Introduction to R Comments
Single-line Comments
Multi-line Comments
Comments for Code Documentation
Comments in R Markdown

List Examples

Count the Number of List Elements in R
How to filter elements from a list based on certain conditions
Create a list with random values in R
How to add Key Value Pair to List in R?
Access Index Names of List Using apply Function in R
Convert matrix to list in R
Convert list to array in R

Data Types Examples

String Examples

Functions Examples

Types of Functions in R Programming
Create a Function to Calculate the Factorial of a Number
Create a Function to Calculate the Mean of a Numeric Vector
Find the Maximum Element in a Numeric Vector
Create a Function to Find the Sum of Squares of a Numeric Vector
Create a R Function to Reverse a Character String
Create a R Function to Check if a String is a Palindrome
Create a Function to Calculate the Fibonacci Sequence
Create a Function to Find the Common Elements in Two Vectors
Function Arguments in R Programming

Looping Examples

For loop in R
for loop to print the elements of a vector?
Finding the maximum value in a vector using a for loop?
Reversing a vector using a for loop?
Counting the number of even and odd elements in a vector using a for loop?
R – while loop
while loop to print the elements of a vector?
while loop to find the first occurrence of a specific element in a vector?
while loop to calculate the factorial of a number?
while loop to calculate the square of numbers?
while loop to reverse a string?
Looping over Objects in R Programming
repeat loop to print the elements of a vector.
Generating Random Numbers Until Some Condition Is Met in R?
repeat loop to generate a sequence of numbers?
How to Create a Nested For Loop in R?
Nested for loop to print multiplication tables up to a certain number.
Nested for loop to create a 2D matrix.
Nested for loop to print a pattern.
Nested for loop to calculate the transpose of a matrix.

If … Else Examples

R If Else Conditions
Check if a number is positive or negative using if-else a statement.
if-else to find the maximum of two numbers.
Create a program to assign grades based on a student's score using if-else .
Create a program to categorize numbers into odd or even.
if-else to check if a number is divisible by another number.
if-else to categorize ages into different groups.
if-else to check if a character string contains a specific substring.
Nested if-else statement in R
Grade Classification Based on Multiple Conditions.
Nested if-else for Temperature Classification.
Quadrant Classification for Coordinates.

Variable Examples

Vector Examples

Matrix Examples

DataFrame Examples

Factor Examples

Date and Time Examples

File Handling Examples

CSV Examples

Excel Exercises

Data Visualization Examples

Adding Colors to Charts in R Programming
How to show legend in heatmap in R?
Display All X-Axis Labels of Barplot in R
How to Create a Stacked Dot Plot in R?
Change Spacing of Axis Tick Marks in Base R Plot
Add legends without borders and with white backgrounds in R
Plot Shaded Area between vertical lines in R
How to add the Mean and Median to Histogram in R?
Create a Scatter plot from CSV in R
Customizing Colors in Plots.
Adding Legends to Plots
Creating Interactive Plots using Shiny
Annotating Text and Labels in Plots
Formatting Axis Labels and Ticks in Plots
Working with Multiple Plots (Faceting)
Plotting Time Series Data in R
Visualizing Geographic Data with Maps
Creating Animated Plots in R
Creating 3D Plots in R
Working with Plotly for Interactive Visualizations
Creating Trellis (Lattice) Plots in R
Plotting Large Datasets with ggplot2's geom_point() and geom_bin2d()
Visualizing Hierarchical Data with Dendrograms
Creating Sunburst Charts for Hierarchical Data
Working with Word Clouds in R
Network Visualization in R using igraph
Creating Heatmaps with Hierarchical Clustering
Plotting Multiple Data Series in a Single Plot
Interactive Data Visualization with Plotly Express

R Statistics

Conclusion

In conclusion, R programming examples tutorial is covering basics like variable and data types of challenges that involves data manipulation, statistical analyses, and visualization. By understanding examples, you will be able to solve your R programming skills and also developed a problem - solving mindset crucial for real-world applications.

URL: https://www.geeksforgeeks.org/r-language/r-programming-examples/