Tags / apply
Transforming Nested Lists into a Single Data Frame in R: A Comparative Approach
Split Apply Recombine with Plyr and Data.table in R: A Performance Comparison
Applying Functions to Multiple DataFrames and Columns in Python with Pandas.
Replacing Elements in a Vector Using mapply if Conditions are Met
Using Pandas to Replace Missing Values in Dataframes: A Better Approach Than `apply`