A scheme that scores text as positive, negative, or neutral based on its sentiment polarity.
- iOS 13.0+
- macOS 10.15+
- Mac Catalyst 13.0+
- tvOS 13.0+
- watchOS 6.0+
- Natural Language
The range of a sentiment score is
[-1. A score of
1 is the most positive, a score of
-1 is the most negative, and a score of
0 is neutral.