ruleSentimentPolarity: Sentiment polarity score

Description Usage Arguments Details Value

View source: R/sentimentRules.R

Description

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

Usage

1

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. 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.


SentimentAnalysis documentation built on April 10, 2018, 1:03 a.m.