The “theme_classic” Function in R

• Package: ggplot2

• Purpose: To set the default ggplot2 theme with a classic, clean, and minimalistic appearance.

• General Class: Data Visualization

• Required Argument(s): None

• Notable Optional Arguments:

• No notable optional arguments for this function.

• Example (with Explanation):

• # Load necessary packages
  library(ggplot2)
  
  # Create a scatter plot with the default classic theme
  scatter_plot_classic <- ggplot(mtcars, aes(x = mpg, y = disp)) +
  geom_point() +
  labs(title = "Scatter Plot with Classic Theme")
  
  # Display the scatter plot with the classic theme
  scatter_plot_classic + theme_classic()

• In this example, the scatter plot is created with the default theme, and then the theme_classic function is applied to enhance the appearance of the plot. This theme provides a clean and straightforward background with minimal gridlines, making it suitable for various types of visualizations.