Filling Missing Values for All Months in R Using tidyr's complete() Function

Understanding the group_by Function in dplyr: A Deep Dive

Inputting Columns to Rowwise() with Column Index Instead of Column Name in Dplyr

Semi-join: A Powerful Tool for Filtering Columns Based on Multiple Values

Understanding Changes in dplyr 0.7.5: Select() Behavior and Named Vectors

Using dplyr Package for Complex Data Manipulations with Lead and Mutate Functions in R

Joining Data Frames in R: A Step-by-Step Guide with Examples

Calculating Percentage of Particular Value Against Sum of All Non-Missing Values in Binary Dataset

Creating an R Function to Search for Numbers in Character Strings

How to Use the `spread()` Function in R to Create a Column with Group Dates