R statistical programming related stuff
This tutorial will cover how to calculate absolute value in R. it will cover how to compute absolute values using the built-in function abs(), e.g., abs(YourVector). The following section will give you a detailed outline of what this R tutorial covers.
How to Take Absolute Value in R – vector, matrix, & dataframe Read More »
In this post, you will learn how to select columns in R. Selecting specific columns is crucial when working with data in Psychology and data science. Whether you are analyzing survey data to examine relationships between variables or performing data-wrangling tasks, knowing how to extract relevant columns may be essential for your analysis. Imagine you
Select Columns in R by Name, Index, Letters, & Certain Words with dplyr Read More »
In this post, you will learn what you need to add new columns to your dataframe in R. We will work both with base R and some of the great Tidyverse packages.
How to Add a Column to a Dataframe in R with tibble & dplyr Read More »
In this R tutorial, you will learn how to rename factor levels in R using 1) levels and 2)
How to Rename Factor Levels in R using levels() and dplyr Read More »
In this R tutorial, you will learn how to remove duplicate rows and columns from a data frame. We will use the duplicated() and unique() functions from base R. Furthermore, we will use the distinct() function from the dplyr package.
How to Remove Duplicates in R – Rows and Columns (dplyr) Read More »
In this R tutorial, you will learn how to add a column to a dataframe based on other columns.
R: Add a Column to Dataframe Based on Other Columns with dplyr Read More »
Are you an R user and want to learn how to use %in% in R in your data analysis and manipulation tasks? This tutorial is for you and will cover the ins and outs of R’s %in% operator. We will start with the basics, including what %in% means in R and how it differs from
How to use %in% in R: 8 Example Uses of the Operator Read More »
In this hands on tutorial, you will learn how to transpose a matrix and a dataframe in R statistical programming environment.
How to Transpose a Dataframe or Matrix in R with the t() Function Read More »
In this post, you will learn how to generate sequences of numbers in R using the : operator, the seq() and rep() functions.
How to Generate a Sequence of Numbers in R with :, seq() and rep() Read More »
Here are two simple steps to extract year from date in R. If you read the full post you will find out how to get year from date from also a vector, and a dataframe.
How to Extract Year from Date in R with Examples Read More »