Numbers

Checks if provided object is a number, i.e. a length-one numeric vector.

is.number(x, integer = FALSE)

Arguments

x

an object to check

integer

logical: check if number is integer

Value

a logical value indicating whether provided object is a string

Examples

is.number(3)              # [1] TRUE
#> [1] TRUE
is.number(3:4)            # [1] FALSE
#> [1] FALSE
is.number("3")            # [1] FALSE
#> [1] FALSE
is.number(NaN)            # [1] TRUE
#> [1] TRUE
is.number(NA_integer_)    # [1] TRUE
#> [1] TRUE