This tells us if this column is a shade

is_shade(x)

are_shade(x)

any_shade(x)

Arguments

x

a vector you want to test if is a shade

Value

logical - is this a shade?

Examples

xs <- shade(c(NA, 1, 2, "3")) is_shade(xs)
#> [1] TRUE
are_shade(xs)
#> [1] TRUE TRUE TRUE TRUE
any_shade(xs)
#> [1] TRUE
aq_s <- as_shadow(airquality) is_shade(aq_s)
#> [1] FALSE
are_shade(aq_s)
#> Ozone_NA Solar.R_NA Wind_NA Temp_NA Month_NA Day_NA #> TRUE TRUE TRUE TRUE TRUE TRUE
any_shade(aq_s)
#> [1] TRUE
any_shade(airquality)
#> [1] FALSE