Extracting Multiple Elements from a List of Lists Using strsplit in R

Extending sapply to Apply List of Variables and Saving Output as List of Data Frames in R

Understanding lapply, sapply, and vapply in R: Creating a Named List of DataFrames

Computing Total Anxiety Scores in Likert Scale Matrices Using Sapply, Lapply, and Apply in R

Optimizing Nested Loops in R: A Guide to Vectorized Operations and mapply