Efficiently Filtering Rows in Data Frames Using Multi-Column Patterns

Filtering Rows After Pattern Matched with `grepl` in Certain Column Using Multiple Methods for Efficient Data Analysis.

Filtering DataFrames with R: A Comprehensive Guide to Count Non-NA Values

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

Understanding Data Frames and Filtering in R: A Comprehensive Guide to Manipulating and Analyzing Data with dplyr and tidyr.