Creating a Simple Bar Chart in ggplot2: A Grammar-Based Approach

Suppressing Vertical Gridlines in ggplot2: A Guide to Retaining X-Axis Labels

Creating Customized Box Plots with Different Color Schemes using ggplot

Creating Custom Alluvial Diagrams with ggalluvial: A Step-by-Step Guide

Customizing the Legend Labeling of ggplot2 for Clearer Insights

To answer your question based on the provided code snippet, it seems like you're trying to create a line graph where the x-axis represents different variables and the y-axis represents values. The `gather` function is used to pivot the data from wide format to long format, which is necessary for creating a line graph.

Increasing Distance Between Boxplots in ggplot2

Creating a Barchart with Groups and Supergroups in R using ggplot2

Using Color Brewer Palettes in ggplot2: A Comprehensive Guide to Customizing Colors for Geometric Shapes

Understanding the Problem with R's ggplot2 Legend: A Step-by-Step Guide to Creating Beautiful Statistical Graphics