Converting Longitudinal Data from Wide to Long Format in R Using tidyverse

Performing a Friedman Test in R: A Step-by-Step Guide for Each Group Separately

Using dplyr Window Functions to Calculate Percentiles in R

Left Joining Two Data Frames by One Column, with a Secondary Column for Non-Matches in R Using Dplyr

Creating Customized Bar Plots with Proportion Labels using ggplot Position Dodge

How to Extract Date Components from a DataFrame in R Using the separate() Function

Calculating Daily Frequencies of Status Variables in a DataFrame using pivot_longer and ggplot

R Code Example: Joining Search and Visit Data to Create Check-in Time Variable

How to Use Purrr's Nest Function in R for Nested Data Manipulation

Transforming a Data Frame from Wide to Long Format with Tidyr: A Step-by-Step Guide