Creating Bar Charts with Multiple Groups in R Using ggplot2: A Comprehensive Guide

Using apply and mutate to create a new variable in data manipulation: A Step-by-Step Guide to Efficient Data Transformation

Identifying Unique Values Across Groups: A Step-by-Step Solution in R

Converting Dates and Filtering Data for Time-Sensitive Analysis with R

Mastering Dplyr's Aggregation Behavior: A Guide for R Users

Improving Performance with data.table and dplyr: A Comparative Analysis of R's Data Manipulation Libraries

Handling Different Years in a Date Variable: A Step-by-Step Solution

Separate Plots for Weekends and Weekdays: A Step-by-Step Guide with ggplot2

Using Piecewise Regression for Multiple Variables and Groups: A Step-by-Step Guide in R with the Segmented Package