Exemplo n.º 1
0
 public void AddTag(Tag tag, IList songs)
 {
     if (tag == null || songs.Count <= 0)
     {
         return;
     }
     foreach (Song song in songs)
     {
         App.SongDb.TagSong(song, tag);
     }
     UpdateTags();
     OnPropertyChanged("Prediction");
     if (Prediction.Any())
     {
         SelectedIndex = 0;
     }
 }
Exemplo n.º 2
0
        protected void RunModel(int foldN, IModel <LblT, ModelExT> model,
                                ILabeledDataset <LblT, InputExT> trainSet, ILabeledDataset <LblT, ModelExT> mappedTrainSet,
                                ILabeledDataset <LblT, InputExT> testSet, ILabeledDataset <LblT, ModelExT> mappedTestSet, CrossValidationTimeProfile modelProfile)
        {
            // train
            ILabeledDataset <LblT, ModelExT> usedTrainSet = BeforeTrain(foldN, model, trainSet, mappedTrainSet);

            Train(foldN, model, usedTrainSet);
            AfterTrain(foldN, model, usedTrainSet);
            modelProfile.TrainEndTime = DateTime.Now;

            // test
            modelProfile.TestStartTime = DateTime.Now;
            ILabeledDataset <LblT, ModelExT> usedTestSet = BeforeTest(foldN, model, testSet, mappedTestSet);
            PerfMatrix <LblT> foldMatrix = GetPerfMatrix(GetModelName(model), foldN);

            for (int i = 0; i < usedTestSet.Count; i++)
            {
                LabeledExample <LblT, ModelExT> le = usedTestSet[i];

                Prediction <LblT> prediction = Predict(foldN, model, le);
                if (AfterPrediction(foldN, model, testSet[i].Example, le, prediction) && prediction.Any())
                {
                    foldMatrix.AddCount(le.Label, prediction.BestClassLabel);
                }
            }

            modelProfile.TestEndTime = DateTime.Now;
            AfterTest(foldN, model, usedTestSet);
        }