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

Understanding Why 'which(is.na(CompleteData))' Returns Empty Vector

Detecting Patterns in Data Frames and Converting to NA Using R with Regular Expressions

Handling Missing Values in R: A Comparative Analysis of na.omit, NA.RM, and mapply

Why Replacement Works Differently with NA Values in R

Data Block Identification in R Using Data.table Package

Handling Missing Values in Paired T-Test: Solutions for Accurate Results