Is negative

Test if an object is negative

is_negative(x)

Arguments

x

an R object

See also

is_positive

Examples

is_negative(1)
#> [1] FALSE
is_negative(0)
#> [1] FALSE
is_negative(-1)
#> [1] TRUE
is_negative(iris$Species)
#> [1] FALSE
is_negative(iris)
#> [1] FALSE
is_negative(list(1, 0, -1, iris))
#> [1] FALSE

set.seed(999)
M = matrix(rnorm(12), 4, 3)
is_negative(M)
#>       [,1] [,2]  [,3]
#> [1,]  TRUE TRUE  TRUE
#> [2,]  TRUE TRUE  TRUE
#> [3,] FALSE TRUE FALSE
#> [4,] FALSE TRUE FALSE