pkgmaker: is_something – R documentation

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is_something

Testing Object Type

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.

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