Using R's all Function to Test for Multiple Conditions in ID Group Data

Unnesting Nested Named Vectors in R: A Faster Alternative to tidyr::unnest_longer()

Joining Data with {data.table}: A Step-by-Step Guide to Selecting Only the First Matching Record

Splitting Strings with Parentheses Using tstrsplit() Function in R

Split Apply Recombine with Plyr and Data.table in R: A Performance Comparison

Finding the Next Occurrence of a Certain Event in a Dataset Under Specific Conditions Using R.

Joining Big DataFrames in R and Filtering in the Same Time: A Comparative Analysis of sqldf and data.table Packages

Splitting Data into Wide and Long Formats in R Using melt Function from data.table Package

Merging Dataframes of Unequal Length Based on Nearest DateTime: A Flexible Approach

How to Replicate data.table's Nomatch Behavior in dplyr: A Step-by-Step Guide