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Technologies
R Programming Tutorial
In our R tutorials, you'll find helpful tips and use cases to grow your programming skills. We'll keep you up to date with the latest techniques.
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Featured
How to Do Linear Regression in R
Learn linear regression, a statistical model that analyzes the relationship between variables. Follow our step-by-step guide to learn the lm() function in R.
Eladio Montero Porras
July 29, 2024
Principal Component Analysis in R Tutorial
In this tutorial, you'll learn how to use R PCA (Principal Component Analysis) to extract data with many variables and create visualizations to display that data.
Zoumana Keita
February 13, 2023
How to Import Data Into R: A Tutorial
Find out how to import data into R, including CSV, JSON, Excel, HTML, databases, SAS, SPSS, Matlab, and other files using the popular R packages.
Abid Ali Awan
January 23, 2023
All posts
Chi-Square Test in R: A Complete Guide
Learn how to create a contingency table and perform chi-square tests in R using the chisq.test() function. Discover practical applications and interpret results with confidence.
Arunn Thevapalan
August 29, 2024
QR Decomposition in Machine Learning: A Detailed Guide
Learn about QR decomposition, the matrix factorization technique that decomposes matrix A into the product of an orthogonal matrix Q and an upper triangular matrix R.
Josef Waples
August 9, 2024
How to Use na.rm to Handle Missing Values in R
We set na.rm = TRUE in common R functions to exclude missing (NA) values. This helps us compute accurate statistics and enhances the reliability of our results.
Vidhi Chugh
July 3, 2024
How to Fix the Non-Numeric Argument to Binary Operator Error in R
The non-numeric argument to binary operator error in R happens when you try to do arithmetic on non-numeric data, like a character string or factor.
Austin Chia
June 7, 2024
Mastering Data Structures in the R Programming Language
Read our comprehensive guide on how to work with data structures in R programming: vectors, lists, arrays, matrices, factors, and data frames.
Vikash Singh
May 23, 2024
How to Transpose a Matrix in R: A Quick Tutorial
Learn three methods to transpose a matrix in R in this quick tutorial
Adel Nehme
April 12, 2024
Sorting Data in R
How to sort a data frame in R.
DataCamp Team
April 10, 2024
Scatterplot in R
Learn how to create a scatterplot in R. The basic function is plot(x, y), where x and y are numeric vectors denoting the (x,y) points to plot.
DataCamp Team
March 31, 2024
Operators in R
Learn how to use arithmetic and logical operators in R. These binary operators work on vectors, matrices, and scalars.
DataCamp Team
March 3, 2024
Merging Data in R
Merging data is a common task in data analysis, especially when working with large datasets. The merge function in R is a powerful tool that allows you to combine two or more datasets based on shared variables.
DataCamp Team
February 29, 2024
Axes and labels in R
Improve your graphs in R with titles, text annotations, labelling of points, minor tick marks, reference lines, custom axes, and a chart legend.
DataCamp Team
February 21, 2024
Combining Plots
Learn how to combining multiple plots in R into one graph with either the par() or layout() functions. This page includes coding examples.
DataCamp Team
January 29, 2024