Handling Missing Values with NA Conditionals in R: A Step-by-Step Guide

Replacing NA Values with '-' Dynamically in Data.tables Using Cumulative Sum

Finding the Index and Value of Non-NA List Elements in R Lists Using Various Approaches

Creating a Matrix from Character Vector with NA Handling in R: A Comprehensive Guide

Replacing Missing Country Values with the Most Frequent Country in a Group Using dplyr, data.table and Base R

How to Fill NAs Using mutate in R's dplyr Package

Modifying a Column to Replace Non-Matching Values with NA Using Regular Expressions and the stringr Package in R

Replacing Missing Values in Numeric Columns Using dplyr’s mutate_if Function