Replacing Column Names in a CSV File by Matching Them with Values from Another File Using Base R and vroom Libraries for Efficient Data Manipulation

Populating Multiple Columns in R Dataframe Using dplyr for Matching Values

Advanced String Matching in R: A Deep Dive into `grep` and `lapply`

Matching Values from Multiple Columns in 1 Data Frame to Key in Second Data Frame and Creating New Columns Using R's Tidyverse Package

Handling Non-Matching Data with SQL JOINs: Strategies for Predictable Results