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node-red-node-sentiment
A Node-RED node that scores incoming words using the AFINN-165 wordlist and attaches a sentiment.score property to the msg.
NOTE: There is also a multi-language version available - node-red-node-multilang-sentiment.
Install
This is a node that should be installed by default by Node-RED so you should not have to install it manually. If you do then run the following command in your Node-RED user directory - typically ~/.node-red
npm install node-red-node-sentiment
Usage
Uses the AFINN-165 wordlist to attempt to assign scores to words in text.
Attaches msg.sentiment to the msg and within that msg.sentiment.score holds the score.
A score greater than zero is positive and less than zero is negative. The score typically ranges from -5 to +5, but can go higher and lower.
See the Sentiment docs here.