R Programming ExamplesR Comments
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 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 Beginner”.
- 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
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
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
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()
andgeom_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.
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