ggplot2 is the go-to R package for making beautiful, customizable, and layered graphics. It follows the "Grammar of Graphics" concept.
aes() to map data columns to aesthetics like x/y, color, size.
ggplot() - Start a plot with data & aestheticsaes() - Define mappings (x, y, color, etc.)geom_* - Add geometric layers (points, bars, lines...)labs() / ggtitle() - Add labels and titlestheme() - Customize plot appearance