Is natural

Test if is a natural number

is_natural(x)

Arguments

x

an R object

Details

Zero is not included in the set of natural numbers

See also

is_negative

Examples

is_natural(1)
#> [1] TRUE
is_natural(0)
#> [1] FALSE
is_natural(seq(-2, 3))
#> [1] FALSE FALSE FALSE  TRUE  TRUE  TRUE
is_natural(iris$Species)
#> [1] FALSE

M = matrix(seq(-3, 2), 2, 3)
is_natural(M)
#>       [,1]  [,2] [,3]
#> [1,] FALSE FALSE TRUE
#> [2,] FALSE FALSE TRUE