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微软开源的 C# 机器学习框架
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微软开源的 C# 机器学习框架。支持的机器学习类任务:分类、回归、聚类等,[教程和视频](https://dotnet.microsoft.com/learn/ml-dotnet)。示例代码: ```C var dataPath = "sentiment.csv"; var mlContext = new MLContext(); var loader = mlContext.Data.CreateTextLoader(new[] { new TextLoader.Column("SentimentText", DataKind.String, 1), new TextLoader.Column("Label", DataKind.Boolean, 0), }, hasHeader: true, separatorChar: ','); var data = loader.Load(dataPath); var learningPipeline = mlContext.Transforms.Text.FeaturizeText("Features", "SentimentText") .Append(mlContext.BinaryClassification.Trainers.FastTree()); var model = learningPipeline.Fit(data); var predictionEngine = mlContext.Model.CreatePredictionEngine<SentimentData, SentimentPrediction>(model); var prediction = predictionEngine.Predict(new SentimentData { SentimentText = "Today is a great day!" }); Console.WriteLine("prediction: " + prediction.Prediction); ```
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