Tell the difference between characters
Try this: sapply(apply(sapply(temp, charToRaw), 2, unique), length) == 1
On Tue, Apr 26, 2011 at 3:09 PM, Lisa <lisajca at gmail.com> wrote:
Dear all,
I just want to determine if the characters in a character string are the
same or not. For example,
temp <- c("aa", "aA", "ab")
How do I determine the first one have the two same ?a?, and the second and
third have the different characters? Thanks in advance.
Lisa
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