1. GroupDocs Documentation
    2. /
    3. GroupDocs.Classification Product Family
    4. /
    5. GroupDocs.Classification for .NET
    6. /
    7. Developer Guide
    8. /
    9. Basic Usage
    10. /
    11. Sentiment classification usage

    Sentiment classification usage

    Create an instance of SentimentClassifier class. It is multilingual and supports English, Chinese, Spanish, and German.

    Creates SentimentClassifier instance

    var sentimentClassifier = new SentimentClassifier();

    and call PositiveProbability method

    Classifies sentiment by text

    var positiveProbability = sentimentClassifier.PositiveProbability("This is a new must-have thing.");
Console.WriteLine($"The probability of a positive sentiment is { positiveProbability }");

    or call Classify method

    Classifies sentiment by text

    var response = sentimentClassifier.Classify("This is a new must-have thing.");
Console.WriteLine($"The best class name:{response.BestClassName}, probability: {response.BestClassProbability}");

    Classifies sentiment by text with 3 classes taxonomy (Negative/Neutral/Positive)

    var response = sentimentClassifier.Classify("This is a new must-have thing.", taxonomy: Taxonomy.Sentiment3);
Console.WriteLine($"The best class name:{response.BestClassName}, probability: {response.BestClassProbability}");

    SentimentClassifier class is thread-safe.

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