Exemple #1
0
    def __init__(
        self,
        hidden_neurons=None,
        hidden_activation=nn.ReLU(False),
        output_activation=nn.Sigmoid(),
        loss=nn.MSELoss(),
        optimizer='adam',
        epochs=100,
        batch_size=32,
        dropout_rate=0.2,
        l2_regularizer=0.001,
        validation_size=0.1,
        preprocessing=True,
        verbose=1,
        random_state=None,
        threshold=1,
    ):
        super(Lstm_VAE, self).__init__()
        self.hidden_neurons = hidden_neurons
        self.hidden_activation = hidden_activation
        self.output_activation = output_activation
        self.loss = loss
        self.optimizer = optimizer
        self.epochs = epochs
        self.batch_size = batch_size
        self.dropout_rate = dropout_rate
        self.l2_regularizer = l2_regularizer
        self.validation_size = validation_size
        self.preprocessing = preprocessing
        self.verbose = verbose
        self.random_state = random_state
        self.threshold = threshold

        # default values
        if self.hidden_neurons is None:
            self.hidden_neurons = [32, 16, 16, 32]

        # Verify the network design is valid
        if not self.hidden_neurons == self.hidden_neurons[::-1]:
            print(self.hidden_neurons)
            raise ValueError("Hidden units should be symmetric")

        self.hidden_neurons_ = self.hidden_neurons

        check_parameter(dropout_rate,
                        0,
                        1,
                        param_name='dropout_rate',
                        include_left=True)
Exemple #2
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    def __init__(self, hidden_neurons=None,
                 hidden_activation=nn.Tanh(), output_activation=nn.Softmax(dim=1),
                 gmm_k=4 , lambda_energy = 0.1 , lambda_cov_diag = 0.005 , optimizer='adam',
                 epochs=100, batch_size=32,dropout_rate=0.5,
                 l2_regularizer=0.001, validation_size=0.1, preprocessing=True,
                 verbose=1, random_state=None, threshold=1.0):
        super(Dagmm, self).__init__()
        self.gmm_k = gmm_k
        self.lambda_energy = lambda_energy
        self.lambda_cov_diag = lambda_cov_diag
        self.hidden_neurons = hidden_neurons
        self.hidden_activation = hidden_activation
        self.output_activation = output_activation
        self.optimizer = optimizer
        self.dropout_rate = dropout_rate
        self.epochs = epochs
        self.batch_size = batch_size
        self.l2_regularizer = l2_regularizer
        self.validation_size = validation_size
        self.preprocessing = preprocessing
        self.verbose = verbose
        self.random_state = random_state
        self.threshold = threshold
        
        
        
        # default values
        if self.hidden_neurons is None:
            self.hidden_neurons = [64, 32, 10, 1, 1, 10, 32, 64]

        # Verify the network design is valid
        if not self.hidden_neurons == self.hidden_neurons[::-1]:
            print(self.hidden_neurons)
            raise ValueError("Hidden units should be symmetric")

        self.hidden_neurons_ = self.hidden_neurons

        check_parameter(dropout_rate, 0, 1, param_name='dropout_rate',
                        include_left=True)
Exemple #3
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    def test_check_parameter_range(self):
        # verify parameter type correction
        with assert_raises(TypeError):
            check_parameter('f', 0, 100)

        with assert_raises(TypeError):
            check_parameter(1, 'f', 100)

        with assert_raises(TypeError):
            check_parameter(1, 0, 'f')

        with assert_raises(TypeError):
            check_parameter(argmaxn(value_list=[1, 2, 3], n=1), 0, 100)

        # if low and high are both unset
        with assert_raises(ValueError):
            check_parameter(50)

        # if low <= high
        with assert_raises(ValueError):
            check_parameter(50, 100, 99)

        with assert_raises(ValueError):
            check_parameter(50, 100, 100)

        # check one side
        with assert_raises(ValueError):
            check_parameter(50, low=100)
        with assert_raises(ValueError):
            check_parameter(50, high=0)

        assert_equal(True, check_parameter(50, low=10))
        assert_equal(True, check_parameter(50, high=100))

        # if check fails
        with assert_raises(ValueError):
            check_parameter(-1, 0, 100)

        with assert_raises(ValueError):
            check_parameter(101, 0, 100)

        with assert_raises(ValueError):
            check_parameter(0.5, 0.2, 0.3)

        # if check passes
        assert_equal(True, check_parameter(50, 0, 100))

        assert_equal(True, check_parameter(0.5, 0.1, 0.8))

        # if includes left or right bounds
        with assert_raises(ValueError):
            check_parameter(100, 0, 100, include_left=False,
                            include_right=False)
        assert_equal(True, check_parameter(0, 0, 100, include_left=True,
                                           include_right=False))
        assert_equal(True, check_parameter(0, 0, 100, include_left=True,
                                           include_right=True))
        assert_equal(True, check_parameter(100, 0, 100, include_left=False,
                                           include_right=True))
        assert_equal(True, check_parameter(100, 0, 100, include_left=True,
                                           include_right=True))
Exemple #4
0
    def test_check_parameter_range(self):
        # verify parameter type correction
        with assert_raises(TypeError):
            check_parameter('f', 0, 100)

        with assert_raises(TypeError):
            check_parameter(1, 'f', 100)

        with assert_raises(TypeError):
            check_parameter(1, 0, 'f')

        with assert_raises(TypeError):
            check_parameter(argmaxn(value_list=[1, 2, 3], n=1), 0, 100)

        # if low and high are both unset
        with assert_raises(ValueError):
            check_parameter(50)

        # if low <= high
        with assert_raises(ValueError):
            check_parameter(50, 100, 99)

        with assert_raises(ValueError):
            check_parameter(50, 100, 100)

        # check one side
        with assert_raises(ValueError):
            check_parameter(50, low=100)
        with assert_raises(ValueError):
            check_parameter(50, high=0)

        assert_equal(True, check_parameter(50, low=10))
        assert_equal(True, check_parameter(50, high=100))

        # if check fails
        with assert_raises(ValueError):
            check_parameter(-1, 0, 100)

        with assert_raises(ValueError):
            check_parameter(101, 0, 100)

        with assert_raises(ValueError):
            check_parameter(0.5, 0.2, 0.3)

        # if check passes
        assert_equal(True, check_parameter(50, 0, 100))

        assert_equal(True, check_parameter(0.5, 0.1, 0.8))

        # if includes left or right bounds
        with assert_raises(ValueError):
            check_parameter(100, 0, 100, include_left=False,
                            include_right=False)
        assert_equal(True, check_parameter(0, 0, 100, include_left=True,
                                           include_right=False))
        assert_equal(True, check_parameter(0, 0, 100, include_left=True,
                                           include_right=True))
        assert_equal(True, check_parameter(100, 0, 100, include_left=False,
                                           include_right=True))
        assert_equal(True, check_parameter(100, 0, 100, include_left=True,
                                           include_right=True))