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September 23, 2016 13:23
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R script that compares sentence/phrase sentiment using various lexicons from the Syuzhet package. Script is geared toward Microsoft Power BI with the "dataset" data frame, but it can easily be adapted for any data frame.
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| bing.sentiment <- syuzhet::get_sentiment(as.vector(dataset$Text), method="bing") | |
| afinn.sentiment <- syuzhet::get_sentiment(as.vector(dataset$Text), method="afinn") | |
| nrc.sentiment <- syuzhet::get_sentiment(as.vector(dataset$Text), method="nrc") | |
| raw <- cbind(bing.sentiment, afinn.sentiment, nrc.sentiment) | |
| scaled <- scale(raw, center=TRUE) | |
| colnames(scaled) <- c("bing.scaled", "afinn.scaled", "nrc.scaled") | |
| sentiment.output <- cbind(dataset, raw, scaled) |
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