another porter stemming algorithm implementation question ?

Posted by mike on Stack Overflow See other posts from Stack Overflow or by mike
Published on 2010-12-23T23:33:40Z Indexed on 2010/12/23 23:54 UTC
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algorithm

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nlp

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porter-stemmer

Hi, I am trying to implement porter stemming algorithm, but i am having difficualties understanding this point

Step 1c

(*v*) Y -> I                    happy        ->  happi
                                sky          ->  sky

Isn't that the the opposite of what we want to do , why does the algorithim convert the Y into I.

for the complete algorithm here http://tartarus.org/~martin/PorterStemmer/def.txt

Thanks

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