does this vector only contains 0 and 1

Source: R/is_misc.R

does this vector only contains 0 and 1

is.01(x)

Arguments

x

a vector

Value

a boolean

Examples


is.01(c(0,1,0,0,1))
#> [1] TRUE
is.01(c(0,1,0,0,5))
#> [1] FALSE