Creating a Data Frame from a Loop: A Practical Guide to Using lapply in R

How to Correctly Calculate the Nearest Date Between Events in R and Create a Control Group.

Removing Rows from a Data Frame Based on Conditional Values Using R: A Comparative Analysis of Two Approaches

Creating a Function to Subset Dataframes in R: A Flexible Solution for Time-Based Subsetting

Understanding POSIXlt vs POSIXct in R: A Comprehensive Guide