private void Predict(IEnumerable <TrainingSetRecord> data, Song media) { if (media == null) { //this.lblSuggestion.Text = "no songs in the local database! Impossible to make predictions."; this.EnableLoadingCircle(false); return; } learning.InitializeAlgorithm(data); learning.PredictionDone += learning_AlgorithmDone; learning.Predict(media); }