Filling Missing Values with Repeated Values in R Using dplyr and tidyr

Handling Missing Values When Calculating Weighted Averages in R: A Step-by-Step Guide

Data Imputation with Row Means in R: A Step-by-Step Guide

Why Replacement Works Differently with NA Values in R

Understanding How to Remove NAs from tapply Function Results in R

Replacing Missing Values in Multiple Columns with NA Using dplyr Package in R

Replacing Missing Values in Specific Columns for Each Group in R Using data.table Package