Tags / plyr
Getting Unique Value Combinations and Calculating Proportions with R's DataFrames
Simplifying Statistical Functions Across Large Number of Columns in R: 3 Alternative Approaches
Understanding How to Group and Remove Duplicate Values from Sparse DataFrames in R
Understanding Consecutive Numbering of Data.Frame Segments: A Practical Guide with `plyr` and `dplyr` Libraries
Understanding Why `unique.default(x)` Fails for Data Frames in R: A Comprehensive Guide
Optimizing Memory Usage when Working with Large XML Files in R: A Technical Guide for Data Scientists