is.number | R Documentation |
Checks if provided object is a number, i.e. a length-one numeric vector.
is.number(x, integer = FALSE)
x |
an object to check |
integer |
logical: check if number is integer |
a logical value indicating whether provided object is a string
is.number(3) # [1] TRUE
is.number(3:4) # [1] FALSE
is.number("3") # [1] FALSE
is.number(NaN) # [1] TRUE
is.number(NA_integer_) # [1] TRUE
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