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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.
install.packages("RSentiment")
This function loads text and calculates score of each sentence of the text fed on basis of following conditions. * Parts of Speech tagging of each word of the sentence * Identifying various conditions of occurrences and presence of Verb, Adverb, Adjective, Noun etc in each sentence * Accordingly, marking the presence of words of positive and negative sentiment and order of their occurence * Considering negation * Checking for sarcasm on basis of presence of punctuation(currently) * Checking presence of emoticons in the text
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: * Positive * Negative * Very Positive * Very Negative * Sarcasm * Neutral
This function loads text and calculates number of sentences under each category of * Positive * Negative * Very Positive * Very Negative * Neutral * Sarcasm.
These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
Health stats visible at Monitor.