public static SentimentAnalysisData AnalyzeReview(ReviewData data)
{
SentimentAnalysisData result = new SentimentAnalysisData {
Review = data
};
var newText = TextClassificationProblemBuilder.CreateNode(data.reviewText, DataHandler.Vocabulary);
result.SentimentEvaluation = model.Predict(newText);
return(result);
}
public static void Train()
{
DataHandler.ImportReviewData(3);
var x = DataHandler.Reviews.Select(r => r.reviewText);
double[] y = DataHandler.Reviews.Select(r => r.overall).ToArray();
var problemBuilder = new TextClassificationProblemBuilder();
var problem = problemBuilder.CreateProblem(x, y, DataHandler.Vocabulary);
const int C = 1;
model = new C_SVC(problem, KernelHelper.LinearKernel(), C);
}
