R Programming Examples Last Updated : 22 Apr, 2024 Improve Improve Like Article Like Save Share Report 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 Basics – R Programming R Comments Lists – R Programming Data Types – R Programming Strings – R Programming Functions – R Programming Loops – R Programming If Else – R programming Variable – R programming Vector – R Programming Matrix – R Programming DataFrame – R Programming Factor – R Programming Date and Time – R Programming CSV – R Programming Excel – R Programming R Basic Examples Write an R Program for “Hello Geeks”. Write an R Program to Add Two Vectors Find the Sum, Mean, and Product of the Vector in R Programming Create an R Program to Take Input From the User How to Generate Random Numbers from Standard Distributions in R R Program to Sample from a Population Create an R Program to Find the Minimum and Maximum R Program to Sort a Vector How to Find the Factorial of a Number How to create R Multiplication Table Write an R Program to Check Prime Number R Program to check Armstrong Number R Program to Print the Fibonacci Sequence R Program to Check for Leap Year Check if a Number is Odd or Even in R Programming R Program to Calculate Simple Interest R Program to Convert Celsius to Kelvin and Fahrenheit R Program to Calculate the Area of a Triangle R Program to Check if a String is a Palindrome R Program to Find the Length of a String R Program to Count the Number of Vowels in a String R Program to Generate a Random Password R Program to Convert Decimal to Binary, Octal, and Hexadecimal 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 R Data Types Data Type Conversion in R Getting different data types in R Programming – a type of the() Function. String Examples Convert Character String to Variable Name in R Count the Number of Characters in the String in R Count Number of Occurrences of Certain Character in String in R Extract Numbers from the Character String Vector in R Count the Number of Words in a String using R How to calculate the number of occurrences of a character in each row of the R data frame? Write a Program to Concatenate Two Strings in R. R Program to Find the Length of a String How to Check if Characters are Present in a String in R. R Program to Extract First or Last n Characters from String in R How to Replace Characters in a String in R Create a Program to Compare Two Strings in R. R Program to Convert Factors to Characters R Program to Trim Leading and Trailing Whitespaces 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 R Variables Scope of The Variables How to Create Categorical Variables in R? Accessing variables of a data frame in R Programming – attach() and detach() function Select variables (columns) in R using Dplyr Dummy Variables in R Programming Vector Examples How to create an empty vector in R? Create empty vector and append values Find the Sum, Mean, and Product of a Vector in R Find the product of vector elements in R Count the number of vector values in the range with R Count the specific value in a given vector in R Access the last value of a given vector in R Find the elements of a vector that are not in another vector in R Find the Nth highest value of a vector in R How to find Nth smallest value in vector in R? Extract every Nth element of a vector in R R Program to Concatenate a Vector of Strings How to Check if a Vector Contains the Given Element Write an R Program to Count the Number of Elements in a Vector R Program to Find Index of an Element in a Vector Write an R Program to Access Values in a Vector R Program to Add Leading Zeros to Vector Matrix Examples How to create an empty matrix in R? Fill an empty matrix in R Elementwise Matrix Multiplication in R Multiply Matrix by Vector in R Find the power of a matrix in R Raise a matrix to a fractional power in R Get the element at the specific position from the matrix in R Find the row and column index of maximum and minimum value in a matrix in R Select rows of a matrix in R that meet a condition Multiply a matrix by its transpose while ignoring missing values in R DataFrame Examples How to Convert a List to a Dataframe R Program to Create an Empty Dataframe How to Combine Two Dataframe into One Create an R Program to Change the Column Name of a Dataframe How to Extract Columns From a Dataframe R Program to Drop Columns in a Dataframe R Program to Reorder Columns in a Dataframe How to Split Dataframe R Program to Merge Multiple Dataframes R Program to Delete Rows From Dataframe R Program to Make a List of Dataframes How to create a data frame from given vectors in R? Create an empty DataFrame with only column names in R Insert multiple rows in R DataFrame How to add a column to the data frame in R? Extract the first N rows from the data frame in R How to select the row with the maximum value in each group in R Language? Remove rows with NA in one column of the R DataFrame How to remove empty rows from the R data frame? Find columns and rows with NA in R DataFrame Sort DataFrame by column name in R How To Merge Two DataFrames in R? Append one data frame to the end of another data frame in R How to find common rows and columns between two data frames in R? Factor Examples How to count values per level in a factor in R Find the levels of a factor of a given vector in R How to change the order of levels of a factor in R? How to convert factor levels to list in R? Concatenate two given factors in a single factor in R Get All Factor Levels of the DataFrame Column in R Date and Time Examples How to Add and Subtract Days to and from Date in R? How to subtract time in R? How to Extract time from the timestamp in R? How to calculate the number of days between two dates in R? How to calculate Years between Dates in R? How to convert a factor into a date format? File Handling Examples How to check if a file already exists in R? R – Check if a Directory Exists and Create if It does not Add New Line to Text File in R How To Import Data from a File in R Programming How to export dataframe to RDATA file in R ? CSV Examples Reading the CSV file into Dataframes in R Export CSV File without Row Names in R How to write to CSV in R without an index? Append row to CSV using R How to calculate the mean of a CSV file in R? Excel Exercises How to import an Excel File into R? How to export a DataFrame to Excel File in R? Convert an Excel column into a list of vectors in R How to convert an Excel column to a vector in R? How to convert Excel content into DataFrame in R? Delete rows with empty cells from Excel using R 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 Statistics Introduction Measures of Central Tendency (Mean, Median, Mode) Measures of Dispersion (Variance, Standard Deviation, Range) Skewness and Kurtosis Probability Distributions (Normal, Binomial, etc.) Hypothesis Testing Confidence Intervals p-values and Significance Levels Correlation and Regression Analysis Simple Linear Regression Multiple Linear Regression Analysis of Variance (ANOVA) Wilcoxon Rank-Sum Test Kruskal-Wallis Test 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. Like Article Suggest improvement Next dplyr Package in R Programming Share your thoughts in the comments Add Your Comment Please Login to comment...