is.nr | R Documentation |
NULL
and NA
'proof' checking of whether something is a numberConvenience function that returns TRUE if the argument is not null, not NA, and is.numeric.
is.nr(x)
x |
The value or vector to check. |
TRUE or FALSE.
is.nr(8); ### Returns TRUE
is.nr(NULL); ### Returns FALSE
is.nr(NA); ### Returns FALSE
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