Description Usage Arguments Value Author(s) See Also Examples
Returns TRUE if (is.null(x) || (length(x) == 0) || (max(nchar(x)) == 0)).
1 |
x |
a character vector or something that can be coerced to mode character |
... |
optional arguments to be passed to |
TRUE
if x
is either NULL
or max(nchar(x))
== 0. FALSE
otherwise.
Spencer Graves
1 2 3 4 5 6 7 8 9 10 11 12 13 |
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