public static void UseModelWithSingleItem2(MLContext mlContext, ITransformer model, string text)
{
PredictionEngine <SentimentData, SentimentPrediction> predictionFunction = mlContext.Model.CreatePredictionEngine <SentimentData, SentimentPrediction>(model);
SentimentData sentiment = new SentimentData
{
SentimentText = text,
};
var resultPrediction = predictionFunction.Predict(sentiment);
Console.WriteLine();
Console.WriteLine($"Sentiment: {resultPrediction.SentimentText} | Prediction: {(Convert.ToBoolean(resultPrediction.Prediction) ? "Positive" : "Negative")} | Probability: {resultPrediction.Probability} ");
Console.WriteLine("=============== End of Predictions ===============");
Console.WriteLine();
}
private static void UseModelWithSingleItem(MLContext mlContext, ITransformer model)
{
PredictionEngine <SentimentData, SentimentPrediction> predictionFunction = mlContext.Model.CreatePredictionEngine <SentimentData, SentimentPrediction>(model);
SentimentData sampleStatement = new SentimentData
{
SentimentText = "This was a very bad steak"
};
var resultPrediction = predictionFunction.Predict(sampleStatement);
Console.WriteLine();
Console.WriteLine("=============== Prediction Test of model with a single sample and test dataset ===============");
Console.WriteLine();
Console.WriteLine($"Sentiment: {resultPrediction.SentimentText} | Prediction: {(Convert.ToBoolean(resultPrediction.Prediction) ? "Positive" : "Negative")} | Probability: {resultPrediction.Probability} ");
Console.WriteLine("=============== End of Predictions ===============");
Console.WriteLine();
}
