node-red/nodes/core/analysis/72-sentiment.html

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<script type="text/x-red" data-help-name="sentiment">
    <p>Analyses the <b>msg.payload</b> and adds a <b>msg.sentiment</b> object that contains the resulting AFINN-111 sentiment score as <b>msg.sentiment.score</b>.</p>
    <p>A score greater than zero is positive and less than zero is negative.</p>
    <p>The score typically ranges from -5 to +5, but can go higher and lower.</p>
    <p>An object of word score overrides can be supplied as <b>msg.overrides</b>.</p>
    <p>See <a href="https://github.com/thisandagain/sentiment/blob/master/README.md" target="_new">the Sentiment docs here</a>.</p>
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