Analyses sentiment of a sentence in English and assigns score to it. It can classify sentences to the following categories of sentiments:- Positive, Negative, very Positive, very negative, Neutral. For a vector of sentences, it counts the number of sentences in each category of sentiment.In calculating the score, negation and various degrees of adjectives are taken into consideration. It deals only with English sentences.
A package in R to analyse sentiment of English sentences
This package contains three functions that allow R users to analyse sentiment (Positive, Negative, Very Positive, Very Negative, Neutral, Sarcasm) of a text. This package is currently supported in English only.
Current CRAN release is 2.1.3. To install the most updated version of this package from CRAN, run the following code.
This function loads text and calculates score of each sentence of the text fed on basis of following conditions.
This method can provide result in the following range.
This function loads text and calculates sentiment of each sentence. This function uses the score predicted by calculate_score method to classify the sentences. It classifies sentences into 6 categories:
This function loads text and calculates number of sentences under each category of