Merging Multiple DataFrames by a Common Column Using bind_rows and pivot_wider in R

Using Functions in Server.R with Shiny for Reusable Code and Improved Performance

Sampling a Subset of DataFrame by Group with Sample Size Equal to Another Subset of the DataFrame

Counting Number of Rows with Dplyr: A Guide to Grouping and Summarizing

Data Summarization and Grouping with Dplyr in R: A Comprehensive Guide

Mastering Data Table and Plyr Parallelization in R: A Step-by-Step Solution

Writing Per-Variable Counts with Data.tables in R: Efficient CSV File Output Using l_ply Function

Creating a Function Out of a Dataframe with a Formula for Efficient Linear Regression Coefficients Calculation

Creating Lag Variable Within Each Group in Data Tables Using Base R, Plyr, Dplyr, and Data.Table

Selecting Certain Observations Plus Before and After Dates Using R