Exemplo n.º 1
0
def infer(raw, flags):
    """

    :param raw:
    :param flags:
    :return:
    """
    data_processor = DataProcessor.load(flags.checkpoint_path)
    model = LSTM(data_processor.num_features,
                 flags.num_units,
                 output_dim=flags.output_dim,
                 num_layers=flags.num_layers,
                 batch_first=True,
                 dropout=flags.dropout)
    model, _, _ = load_checkpoint(flags.checkpoint_path, model, None)
    model.eval()
    # predict
    results = {}
    loader, ts_types = data_processor.get_forecast_data(raw)
    with torch.no_grad():
        for type, data in zip(ts_types, loader):
            scale = data[4]
            _, outputs = _infer(data, model, flags.window,
                                flags.forecast_length)
            results[type] = [(output * scale).detach().numpy()[0]
                             for output in outputs]
    print(results)
    return results
Exemplo n.º 2
0
    def run_k_folds(self, n_runs=5, n_folds=2):
        dp = DataProcessor()
        dp.load('data/SQuAD/squad-v7.file')
        model = LogRegModel()
        model.load_vectors(dp.articles, n_folds=n_folds)

        baseline_results = []
        sentiment_results = []

        for run in range(n_runs):
            print("k-fold run:", run)
            baseline_results.append(model.run_k_fold(with_sentiment=False))
            sentiment_results.append(model.run_k_fold())
            model.create_new_folds(n_folds=n_folds)

        self.save_results(baseline_results, "results/5x2_baseline")
        self.save_results(sentiment_results, "results/5x2_sentiment")
Exemplo n.º 3
0
      result["conf_matrices"].append(
        confusion_matrix(
          self.model.predict(test_vectors),
          test_targets
      ))

      result["roc_curves"].append(
        roc_curve(
          test_targets, 
          self.model.predict_proba(test_vectors)[:,1])
      )

      result["roc_auc_scores"].append(
        roc_auc_score(
          test_targets, 
          self.model.predict(test_vectors))
      )

      result["coefficients"].append(
        self.model.coef_[0]
      )

    return result
        
if __name__ == "__main__":
  dp = DataProcessor()
  dp.load('data/SQuAD/squad-v7.file')
  model = LogRegModel()
  model.load_vectors(dp.articles)
  model.run_k_fold()