R/optimizers.R

optimizer_adagrad

Adagrad optimizer.

Description

Adagrad optimizer as described in Adaptive Subgradient Methods for Online Learning and Stochastic Optimization.

Usage

 
optimizer_adagrad( 
  learning_rate = 0.01, 
  epsilon = NULL, 
  decay = 0, 
  clipnorm = NULL, 
  clipvalue = NULL, 
  ... 
) 

Arguments

Arguments Description
learning_rate float >= 0. Learning rate.
epsilon float >= 0. Fuzz factor. If NULL, defaults to k_epsilon().
decay float >= 0. Learning rate decay over each update.
clipnorm Gradients will be clipped when their L2 norm exceeds this value.
clipvalue Gradients will be clipped when their absolute value exceeds this value.
… Unused, present only for backwards compatability

Note

It is recommended to leave the parameters of this optimizer at their default values.

See Also

Other optimizers: optimizer_adadelta(), optimizer_adamax(), optimizer_adam(), optimizer_nadam(), optimizer_rmsprop(), optimizer_sgd()