Type Property

sentimentScore

A scheme that scores text as positive, negative, or neutral based on its sentiment polarity.

Declaration

static let sentimentScore: NLTagScheme

Discussion

The range of a sentiment score is [-1.0, 1.0]. A score of 1.0 is the most positive, a score of -1.0 is the most negative, and a score of 0.0 is neutral.

See Also

Schemes

static let tokenType: NLTagScheme

A scheme that classifies tokens according to their broad type: word, punctuation, or whitespace.

static let lexicalClass: NLTagScheme

A scheme that classifies tokens according to class: part of speech, type of punctuation, or whitespace.

static let nameType: NLTagScheme

A scheme that classifies tokens according to whether they are part of a named entity.

static let nameTypeOrLexicalClass: NLTagScheme

A scheme that classifies tokens corresponding to names according to nameType, and classifies all other tokens according to lexicalClass.

static let lemma: NLTagScheme

A scheme that supplies a stem form of a word token, if known.

static let language: NLTagScheme

A scheme that supplies the language for a token, if it can determine one.

static let script: NLTagScheme

A scheme that supplies the script for a token, if it can determine one.