How to Install Packages in R: A Step-by-Step Guide for Beginners

Reading Only Selected Columns from a CSV File Using R

Reshaping Data from Long to Wide Format Using R's reshape2 Package

Dealing with Interdependent Factors in Linear Models: Strategies for Rank-Deficiency Resolution

Understanding Data Transformation: Reshaping from Long to Wide Format with R

Creating a Group Index for Values Connected Directly and Indirectly Using R's igraph Library