How to Achieve Consistency in Shapes and Colors Across Multiple Plots with Different Category Combinations Using ggplot2

Logical Subset from Matrix Based on Multiple Columns with No Names

Understanding the Mystery of the Missing `fix.data()` Function in Stata

Line Detection and Distance Measurement in Binary Images using R: A Comprehensive Guide to Hough Transform Algorithm

Customizing Boxplots in ggplot2: A Step-by-Step Guide

Understanding .nc Files and Shapefiles in R: A Practical Approach to Spatial Analysis with Raster Data and Geospatial Features

Visualizing Principal Component Analysis (PCA) Data with ggbiplot: A Deep Dive into Dimensionality Reduction and Data Exploration.

Understanding Memisc and Data Sets in R: Dropping Unused Labels with Alternatives to `droplabels()`

Compiling Source Code in R Studio: Understanding the Compilation Process

Converting Multi-Layer Lists to Data Frames in R: A Comprehensive Guide