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resa
2012 Aug 02
3
text search in r
I am trying to count the number of times that the characters in a string
change
For example-
new=c(AAAABBBBBABBBABB)
I want to find the number of times that B changes to A and the number of
times that A changes to B. I tried the grep command but I only figured out
the positions of when B changes to A when I only need the number of times it
occurs.
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