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
.
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