[R] Tell the difference between characters
lisajca at gmail.com
Tue Apr 26 20:09:33 CEST 2011
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.
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