| ruleSentimentPolarity {SentimentAnalysis} | R Documentation |
Sentiment polarity score
Description
Sentiment score defined as the difference between positive and negative word counts divided by the sum of positive and negative words.
Usage
ruleSentimentPolarity(dtm, d)
Arguments
dtm |
Document-term matrix |
d |
Dictionary of type |
Details
Given the number of positive words P and the number of
negative words N. Then, the sentiment ratio is defined as
\frac{P-N}{P+N}
. Here, it uses the entries negativeWords and
positiveWords of the SentimentDictionaryBinary.
Value
Sentiment score in the range of -1 to 1.
[Package SentimentAnalysis version 1.3-5 Index]