meanr: Sentiment Analysis Scorer
Sentiment analysis is a popular technique in text mining that
attempts to determine the emotional state of some text. We provide a new
implementation of a common method for computing sentiment, whereby words are
scored as positive or negative according to a dictionary lookup. Then the
sum of those scores is returned for the document. We use the 'Hu' and 'Liu'
sentiment dictionary ('Hu' and 'Liu', 2004) <doi:10.1145/1014052.1014073>
for determining sentiment. The scoring function is 'vectorized' by document,
and scores for multiple documents are computed in parallel via 'OpenMP'.
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