Esempio n. 1
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def main(modelfile: str,
         features: List[float],
         print_results: bool = True) -> List[Dict[str, Any]]:
    """
    Evaluate the model described in ``modelfile`` with ``inputvec`` as input
    data.

    Parameters
    ----------
    features : List[float]
    print_results : bool
        Print results if True. Always return results.

    Returns
    -------
    List of possible answers, reverse-sorted by probability.
    """
    model = utils.get_model(modelfile)
    if not model:
        return []
    x = np.array([features])
    model_output = get_model_output(model, x)
    results = get_results(model_output, model["outputs"])

    if print_results:
        show_results(results, n=10)
    return results
Esempio n. 2
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def main(model_file, test_data, verbose=True):
    """ Evaluate a model

    Parameters
    ----------
    model_file : string
        Path to a model file
    test_data : string
        Path to a testdata.tar file

    Returns
    -------
    Testing results
    """
    model = utils.get_model(model_file)
    data = utils.get_data(test_data)
    if data is None:
        logging.error("Data could not be loaded. Stop testing.")
        return
    x_vec, y_vec = data
    correct = 0
    total = 0
    for x, y in zip(x_vec, y_vec):
        x = numpy.array([x])
        y_pred = evaluate.get_model_output(model, x)
        y_pred = numpy.argmax(y_pred)
        if y_pred == y[0]:
            correct += 1
        total += 1
        if verbose and total % 100 == 0:
            print("%i: %0.2f" % (total, float(correct)/total))
    print("Correct: %i/%i = %0.2f of total correct" %
          (correct, total, float(correct)/total))
    return float(correct)/total
Esempio n. 3
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def main(model_file: str, test_data: str, verbose=True) -> float:
    """
    Evaluate a model

    Parameters
    ----------
    model_file : str
        Path to a model file
    test_data : str
        Path to a testdata.hdf5 file

    Returns
    -------
    Testing results
    """
    model = utils.get_model(model_file)
    data = utils.get_data(test_data)
    x_vec, y_vec = data
    correct = 0
    total = 0
    for x, y in zip(x_vec, y_vec):
        x = numpy.array([x])
        y_pred = evaluate.get_model_output(model, x)
        y_pred = numpy.argmax(y_pred)
        if y_pred == y[0]:
            correct += 1
        total += 1
        if verbose and total % 100 == 0:
            print("%i: %0.2f" % (total, float(correct) / total))
    print("Correct: %i/%i = %0.2f of total correct" %
          (correct, total, float(correct) / total))
    return float(correct) / total
Esempio n. 4
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def main(model_file, test_data, verbose=True):
    """ Evaluate a model

    Parameters
    ----------
    model_file : string
        Path to a model file
    test_data : string
        Path to a testdata.tar file

    Returns
    -------
    Testing results
    """
    model = utils.get_model(model_file)
    data = utils.get_data(test_data)
    if data is None:
        logging.error("Data could not be loaded. Stop testing.")
        return
    x_vec, y_vec = data
    correct = 0
    total = 0
    for x, y in zip(x_vec, y_vec):
        x = numpy.array([x])
        y_pred = evaluate.get_model_output(model, x)
        y_pred = numpy.argmax(y_pred)
        if y_pred == y[0]:
            correct += 1
        total += 1
        if verbose and total % 100 == 0:
            print("%i: %0.2f" % (total, float(correct) / total))
    print("Correct: %i/%i = %0.2f of total correct" %
          (correct, total, float(correct) / total))
    return float(correct) / total
Esempio n. 5
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def main(model_file, model_output_file, training_data, batch_size,
         learning_rate, epochs):
    """Train model_file with training_data."""
    data = utils.get_data(training_data)
    if data is None:
        logging.error("Data could not be loaded. Stop training.")
        return
    x, y = data
    assert y is not None
    model = utils.get_model(model_file)
    minibatch_gradient_descent(model, x, y, batch_size, learning_rate, epochs)
    utils.write_model(model, model_output_file)
Esempio n. 6
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def main(modelfile, features, print_results=True):
    """Evaluate the model described in ``modelfile`` with ``inputvec`` as
    input data.

    Parameters
    ----------
    features : list of floats
    print_results : bool
        Print results if True. Always return results.

    Returns
    -------
    List of possible answers, reverse-sorted by probability.
    """
    model = utils.get_model(modelfile)
    if not model:
        return []
    x = numpy.array([features])
    model_output = get_model_output(model, x)
    results = get_results(model_output, model['outputs'])

    if print_results:
        show_results(results, n=10)
    return results