[R] agrep confusion
dwinsemius at comcast.net
Mon Oct 26 05:14:01 CET 2009
On Oct 25, 2009, at 10:17 PM, Paul Galpern wrote:
> I am sure there is something I am just not understanding about agrep
> str1 <- c("ab","aba","abc")
> agrep("abc",str1, max.distance = list(insertions=0, substitutions=0,
> deletions=1), value=T)
>  "ab" "aba" "abc"
> Why is "aba" a match?
The help page says that the parameters apply to the pattern, not the
"ab" matches all of the offered arguments.
> 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
David Winsemius, MD
West Hartford, CT
More information about the R-help