[R] string edit distance

Tobias Verbeke
2007-04-07T20:14:15Z

Thomas Hills wrote:
> I have a column of words, for example
>
> "DOG"
> "DOOG"
> "GOD"
> "GOOD"
> "DOOR"
> ...
>
> and I am interested in creating a matrix that contains the string
> edit distances between each pair of words.  I am this close  -> '
'
> <-   to writing the algorithm myself (which will allow for different
> variations on the string edit rules, indels, plus or minus
> transpositions, and possibly some variations on that), but I figured
> I'd see if anyone on the list has any experience with this and might
> already have some shoulders for me to stand on.
>
See

http://wiki.r-project.org/rwiki/doku.php?id=tips:data-strings:levenshtein
for some R code which might be useful.

HTH,
Tobias

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