monthdays: Number of days in each season

In forecast: Forecasting Functions for Time Series and Linear Models

Number of days in each season

Description

Returns number of days in each month or quarter of the observed time period.

Usage

monthdays(x)

Arguments

x	time series

Details

Useful for month length adjustments

Value

Time series

Author(s)

Rob J Hyndman

See Also

bizdays()

Examples

par(mfrow = c(2, 1))
plot(
  ldeaths,
  xlab = "Year",
  ylab = "pounds",
  main = "Monthly deaths from lung disease (UK)"
)
ldeaths.adj <- ldeaths / monthdays(ldeaths) * 365.25 / 12
plot(
  ldeaths.adj,
  xlab = "Year",
  ylab = "pounds",
  main = "Adjusted monthly deaths from lung disease (UK)"
)

forecast documentation built on March 18, 2026, 9:07 a.m.