ruleSentiment {SentimentAnalysis}R Documentation

Sentiment score

Description

Sentiment score defined as the difference between positive and negative word counts divided by the total number of words.

Usage

ruleSentiment(dtm, d)

Arguments

dtm

Document-term matrix

d

Dictionary of type SentimentDictionaryBinary

Details

Given the number of positive words P and the number of negative words N. Further, let T denote the total number of words in that document. Then, the sentiment ratio is defined as

\frac{P-N}{T}

. 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]