Returns a vector of 0's and 1's or fractional results if Easter spans March and April in the observed time period. Easter is defined as the days from Good Friday to Easter Sunday inclusively, plus optionally Easter Monday if easter.mon=TRUE.

easter(x, easter.mon = FALSE)

Arguments

x

Monthly or quarterly time series

easter.mon

If TRUE, the length of Easter holidays includes Easter Monday.

Value

Time series

Details

Useful for adjusting calendar effects.

Examples

easter(wineind, easter.mon = TRUE)
#> Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec #> 1980 0.00 0.00 0.00 1.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 #> 1981 0.00 0.00 0.00 1.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 #> 1982 0.00 0.00 0.00 1.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 #> 1983 0.00 0.00 0.00 1.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 #> 1984 0.00 0.00 0.00 1.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 #> 1985 0.00 0.00 0.00 1.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 #> 1986 0.00 0.00 1.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 #> 1987 0.00 0.00 0.00 1.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 #> 1988 0.00 0.00 0.00 1.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 #> 1989 0.00 0.00 1.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 #> 1990 0.00 0.00 0.00 1.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 #> 1991 0.00 0.00 0.75 0.25 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 #> 1992 0.00 0.00 0.00 1.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 #> 1993 0.00 0.00 0.00 1.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 #> 1994 0.00 0.00 0.00 1.00 0.00 0.00 0.00 0.00