Here is the complete code:

Understanding ggplot2: A Deep Dive into Fill and Scale Colors with ggplot2 Best Practices for Customizing Your Plot

Creating Grouped Violin Plots with Trend Lines Across Groups Using ggplot2 and Log10 Transformation

Understanding ggplot2: Grouping Legend Values by Condition

Mastering Y-Axis Tick Mark Spacing in ggplot2: Practical Solutions for Customization

Creating a Custom Legend Inside a Grouped Bar Graph in R ggplot

Creating a Stacked Bar Chart with Multiple Categorical Variables in ggplot2 Using facet_grid

Creating Consistent Box Plots with Multiple Variables in ggplot: The Role of Factors

Understanding How to Adjust the Width of ggbiplot Plots for PCA Results

Creating a Fake Legend in ggplot: A Step-by-Step Guide Using qplot() and grid.arrange()