mahout-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From JAGANADH G <jagana...@gmail.com>
Subject Re: Querry regarding use of classifier in Mahout
Date Mon, 18 Oct 2010 18:26:58 GMT
>> > Just pushed a bug fix for ngrams. Update your copy. Here is the result
>> with
>> > ngram = 2
>> >
>> > Correctly Classified Instances          :       1995     99.75%
>> > Incorrectly Classified Instances        :          5      0.25%
>> > Total Classified Instances              :       2000
>> >
>> > =======================================================
>> > Confusion Matrix
>> > -------------------------------------------------------
>> > a     b     <--Classified as
>> > 995   5     |  1000   a     = pos
>> > 0     1000  |  1000   b     = neg
>> > Default Category: unknown: 2
>> >
>> >
>> > With some pruning, you will have a decent enough classifier for
>> sentiments


Wow this is an amazing result :-)

-- 
**********************************
JAGANADH G
http://jaganadhg.freeflux.net/blog

Mime
View raw message