Description Usage Arguments Author(s) References See Also Examples
Advanced activation layers
1 2 3 4 5 6 7 |
alpha |
float >= 0. Negative slope coefficient in LeakyReLU and scale for the negative factor in ELU. |
input_shape |
only need when first layer of a model; sets the input shape of the data |
theta |
float >= 0. Threshold location of activation in ThresholdedReLU. |
Taylor B. Arnold, taylor.arnold@acm.org
Chollet, Francois. 2015. Keras: Deep Learning library for Theano and TensorFlow.
Other layers: Activation
,
ActivityRegularization
,
BatchNormalization
, Conv
,
Dense
, Dropout
,
Embedding
, Flatten
,
GaussianNoise
, LayerWrapper
,
LocallyConnected
, Masking
,
MaxPooling
, Permute
,
RNN
, RepeatVector
,
Reshape
, Sequential
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | if(keras_available()) {
X_train <- matrix(rnorm(100 * 10), nrow = 100)
Y_train <- to_categorical(matrix(sample(0:2, 100, TRUE), ncol = 1), 3)
mod <- Sequential()
mod$add(Dense(units = 50, input_shape = dim(X_train)[2]))
mod$add(LeakyReLU(alpha = 0.4))
mod$add(Dense(units = 50))
mod$add(ELU(alpha = 0.5))
mod$add(Dense(units = 50))
mod$add(ThresholdedReLU(theta = 1.1))
mod$add(Dense(units = 3))
mod$add(Activation("softmax"))
keras_compile(mod, loss = 'categorical_crossentropy', optimizer = RMSprop())
keras_fit(mod, X_train, Y_train, batch_size = 32, epochs = 5, verbose = 0)
}
|
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