is.blank | R Documentation |
tests a vector, returning TRUE if values are NA, NULL, blank strings or NAN. Also returns TRUE
for strings that are entirely a combinate of spaces and dashes, eg. "-" or " - ", or are "()-", often used as an empty phone number.
is.blank(x)
x |
a vector to test for blank values |
a vector of logical values, where TRUE indicates blank values
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