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dracula-sentiment-node

dracula.js


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A quick way to get "good enough" sentiment analysis into your applications, this package uses character and word-level embeddings and LSTM networks to decide if a given text is either "positive" or "negative".

Installation

npm install dracula-sentiment --save

Usage

var dracula = require('dracula-sentiment');
var text = "xoxo cant wait";
// Output a 'positive', 'negative', or 'neutral' label
console.log(text, dracula.analyze(text));
// To output a [negative, neutral, positive] float array
console.log(text, dracula.score(text));

For best performance and accuracy, remove any non-ascii characters by converting them to their closest equivalents via unidecode or something similar, and feed it sentence-sized chunks of text.

Testing

npm test

Tests aren't very extensive at present.

Contributing

If you encounter any sentences where the classification is obviously wrong, open an issue and we'll work out a way to extend Dracula's training data so that it doesn't happen. Contributions to clean up the code and improve its style and performance are certainly welcome!

Release

  • 1.0.0 Original release
  • 1.1.0 Adds a new function to get the underlying scores
  • 1.1.1 Documentation and npm package updates

About

node.js/Javascript implementation of Dracula - adapted to do deep sentiment analysis using character embeddings.

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