Custom Y-axis Scale for first day of months

This function creates a ggplot2 continuous y-axis scale with breaks at the first day of each month, and labels corresponding to those dates. It is useful for plots where the y-axis represents months.

scale_y_month(...)

Arguments

...

Additional arguments passed to `ggplot2::scale_y_continuous`.

Value

A ggplot2 scale object for the y-axis.

Examples

data <- data.frame(
  date = seq(as.Date("2023-01-01"), as.Date("2023-12-31"), by = "day"),
  value = rnorm(365)
)
library(ggplot2)
ggplot(data, aes(x = value, y = date)) +
  geom_point() +
  scale_y_month()