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R Data types 101, or What kind of data do I have?
In this tutorial, I introduce you to several different types of data, explain how to use and manipulate each of them, and show you how to check what type of data you have.
Selina Cheng
Mar 16, 2022
12 min read
R
Complete tutorial on using 'apply' functions in R
Here I show you a useful family of functions that allows you to repetitively perform a specified function (e.g., sum, mean) across a vector, matrix, or data frame.
Selina Cheng
Last updated on Mar 8, 2022
13 min read
R
How to use pipes to clean up your R code
In this tutorial, I’m going to give an explanation of what pipes are and when they can be used, and then I’m going to demonstrate how useful they can be for writing neat and clear R code.
Selina Cheng
Mar 2, 2022
7 min read
R
How to use the group_by function with your ecological data
In this tutorial, I discuss how to use a handy function called group_by() for organizing and preparing your data for analysis and visualization.
Selina Cheng
Last updated on Feb 23, 2022
9 min read
R
How to use R Markdown (part two): for learning R!
In part two of my series on R Markdown, I’ll go over how to use R Markdown for learning R by documenting your journey into your own guide to R.
Luka Negoita
Feb 15, 2022
7 min read
R
How to use R Markdown (part one)
R Markdown is a powerful method for creating reports that combine formatted text with R code. This can help you with accountability, data analysis reproducibility, for making tutorials (like this one), and also for learning R! In part one of this two-part series, you’ll learn how to create basic R Markdown documents with all the essential content.
Luka Negoita
Feb 9, 2022
13 min read
R
Introduction to missing data (NAs) in R
In this tutorial, I’m going to explain what exactly an NA value is, how you can find NAs in your data, and how to remove them.
Selina Cheng
Last updated on Feb 1, 2022
7 min read
R
How to join tables in R
In this tutorial, I show you how to combine tables (data frames) together using both base R and the
dplyr
package.
Selina Cheng
Last updated on Jan 26, 2022
9 min read
R
The Basics of R (in Spanish!)
My online course on the Basics of R (for ecologists) is soon to launch with a version completely recorded in Spanish.
Luka Negoita
Last updated on Jan 19, 2022
5 min read
R
Making your first plot in R
In this tutorial, I teach you how to create a basic scatterplot using base R.
Last updated on Jan 5, 2022
5 min read
R
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