is_something. pkgmaker 0.16

Usage

is_NA(x)

isFALSE(x)

isNumber(x)

isReal(x)

isInteger(x)

isString(x, y, ignore.case = FALSE)

is.dir(x)

is.file(x)

hasNames(x, all = FALSE)

x: an R object
y: character string to compare with.
ignore.case: logical that indicates if the comparison should be case sensistive.
all: logical that indicates if the object needs all names non empty

TRUE or FALSE

Testing Object Type

is_NA tests if a variable is exactly NA (logical, character, numeric or integer)

isFALSE Tests if a variable is exactly FALSE.

isNumber tests if a variable is a single number

isReal tests if a variable is a single real number

isInteger tests if an object is a single integer

isString tests if an object is a character string.

is.dir tests if a filename is a directory.

is.file tests if a filename is a file.

hasNames tests if an object has names.