Getting Unique Value Combinations and Calculating Proportions with R's DataFrames

Using a Scripting Language to Extract Data from Large Datasets: A Comparative Analysis of Python and SQL Alternatives

Calculating Unemployment Rates and Per Capita Income by State Using Pandas Merging and Grouping

How to Resolve the Error Computing Mean on Data Frame in R Using `ddply` from Purrr Package

Data Summarization and Grouping with Dplyr in R: A Comprehensive Guide

GGPlot2 Subset Parameter in Layers Breaks with Version 2.0.0: Alternative Solutions and Workarounds

Counting Number of Rows with Dplyr: A Guide to Grouping and Summarizing

Simplifying Statistical Functions Across Large Number of Columns in R: 3 Alternative Approaches