R help - Jun 2012 - need help in sentiment analysis

hello

I am doing sentiment analysis using score.sentiment...
from the below link you can see how this work...

http://dl.dropbox.com/u/2698672/sentiment.r

I want to do some modification in this code....

what this score.sentiment is doing is that its taking a sentence  like "I
am
very happy, excited, and optimistic."
so it returning the score and text

score	text
3	       I am very happy, excited, and optimistic.

what I want is that it should return score for each words ie for 
happy,excited , optimistic and also for overall sentence
that is output should be like this

score     text
3             I am very happy, excited, and optimistic
1            happy
1            excited
1            optimistic

please help me in this regard

thanks in advance

Shruti Bansal






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you can see the whole algorithm of sentiment analysis from the below link

http://www.dataissexy.co.uk/twitter-sentiment-analysis-in-30-seconds

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result can be in the following way also

score           positive_score           negative_score        text
3                                  3                               0
I am very happy, excited, and optimistic.


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