I am sure there is something I am just not understanding about agrep
functionality.
str1 <- c("ab","aba","abc")
agrep("abc",str1, max.distance = list(insertions=0, substitutions=0,
deletions=1), value=T)
returns:
[1] "ab" "aba" "abc"
Why is "aba" a match? It seems to me that this should require a
substitution and this has been set to 0 in max.distance. Alternatively
this would require a deletion plus an insertion but, again, not
permitted in arguments.
Thanks for your help,
Paul Galpern
PhD Candidate
Natural Resources Institute
University of Manitoba
Winnipeg, Manitoba, Canada
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