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23 lines
703 B
Go
23 lines
703 B
Go
package linguistics
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import (
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"github.com/jonreiter/govader"
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)
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// GoVADERSentimentProvider implements SentimentProvider using VADER
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type GoVADERSentimentProvider struct {
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analyzer *govader.SentimentIntensityAnalyzer
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}
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// NewGoVADERSentimentProvider constructs a VADER-based sentiment provider
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func NewGoVADERSentimentProvider() (*GoVADERSentimentProvider, error) {
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analyzer := govader.NewSentimentIntensityAnalyzer()
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return &GoVADERSentimentProvider{analyzer: analyzer}, nil
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}
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// Score returns the compound VADER polarity score in [-1, 1]
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func (p *GoVADERSentimentProvider) Score(text string, _ string) (float64, error) {
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scores := p.analyzer.PolarityScores(text)
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return scores.Compound, nil
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}
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