Exemple #1
0
def test_io_datagenerator_x_batches():
    X = numpy.random.randn(500, 13)
    w = numpy.ones(500)

    data = DataGenerator(X)
    X_ = numpy.concatenate([batch[0] for batch in data.batches()])
    w_ = numpy.concatenate([batch[1] for batch in data.batches()])
    assert_almost_equal(X, X_)
    assert_almost_equal(w, w_)

    data = DataGenerator(X, batch_size=123)
    X_ = numpy.concatenate([batch[0] for batch in data.batches()])
    w_ = numpy.concatenate([batch[1] for batch in data.batches()])
    assert_almost_equal(X, X_)
    assert_almost_equal(w, w_)

    data = DataGenerator(X, batch_size=1)
    X_ = numpy.concatenate([batch[0] for batch in data.batches()])
    w_ = numpy.concatenate([batch[1] for batch in data.batches()])
    assert_almost_equal(X, X_)
    assert_almost_equal(w, w_)

    data = DataGenerator(X, batch_size=506)
    X_ = numpy.concatenate([batch[0] for batch in data.batches()])
    w_ = numpy.concatenate([batch[1] for batch in data.batches()])
    assert_almost_equal(X, X_)
    assert_almost_equal(w, w_)
Exemple #2
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def test_io_datagenerator_wy_batches():
    X = numpy.random.randn(500, 13)
    w = numpy.abs(numpy.random.randn(500))
    y = numpy.random.randint(5, size=500)

    data = DataGenerator(X, w, y)
    y_ = numpy.concatenate([batch[1] for batch in data.batches()])
    w_ = numpy.concatenate([batch[2] for batch in data.batches()])
    assert_almost_equal(y, y_)
    assert_almost_equal(w, w_)

    data = DataGenerator(X, w, y, batch_size=123)
    y_ = numpy.concatenate([batch[1] for batch in data.batches()])
    w_ = numpy.concatenate([batch[2] for batch in data.batches()])
    assert_almost_equal(y, y_)
    assert_almost_equal(w, w_)

    data = DataGenerator(X, w, y, batch_size=1)
    y_ = numpy.concatenate([batch[1] for batch in data.batches()])
    w_ = numpy.concatenate([batch[2] for batch in data.batches()])
    assert_almost_equal(y, y_)
    assert_almost_equal(w, w_)

    data = DataGenerator(X, w, y, batch_size=506)
    y_ = numpy.concatenate([batch[1] for batch in data.batches()])
    w_ = numpy.concatenate([batch[2] for batch in data.batches()])
    assert_almost_equal(y, y_)
    assert_almost_equal(w, w_)
Exemple #3
0
def test_io_datagenerator_w_batches():
    X = numpy.random.randn(500, 13)
    w = numpy.abs(numpy.random.randn(500))

    data = DataGenerator(X, w)
    w_ = numpy.concatenate([batch[1] for batch in data.batches()])
    assert_almost_equal(w, w_)

    data = DataGenerator(X, w, batch_size=123)
    w_ = numpy.concatenate([batch[1] for batch in data.batches()])
    assert_almost_equal(w, w_)

    data = DataGenerator(X, w, batch_size=1)
    w_ = numpy.concatenate([batch[1] for batch in data.batches()])
    assert_almost_equal(w, w_)

    data = DataGenerator(X, w, batch_size=506)
    w_ = numpy.concatenate([batch[1] for batch in data.batches()])
    assert_almost_equal(w, w_)