These are convenience wrappers for editing ggplot2::theme()'s panel.grid.major and panel.grid.minor parameters with sensible defaults.

add_gridlines(x = TRUE, y = TRUE, minor = TRUE)

add_x_gridlines(minor = TRUE)

add_y_gridlines(minor = TRUE)

drop_gridlines(x = TRUE, y = TRUE, minor.only = FALSE)

drop_x_gridlines(minor.only = FALSE)

drop_y_gridlines(minor.only = FALSE)

Arguments

x

Apply changes to the x axis?

y

Apply changes to the y axis?

minor

Add minor gridlines in addition to major?

minor.only

Remove only the minor gridlines?