Number of days in each season

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

Usage

monthdays(x)

Arguments

x

time series

Value

Time series

Details

Useful for month length adjustments

See also

bizdays()

Author

Rob J Hyndman

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)"
)