Php/docs/function.fann-set-callback

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fann_set_callback

(PECL fann >= 1.0.0)

fann_set_callbackSets the callback function for use during training


Description

fann_set_callback ( resource $ann , callable $callback ) : bool

Sets the callback function for use during training. It means that it is called from fann_train_on_data() or fann_train_on_file().


Parameters

ann

Neural network resource.

callback

The supplied callback function takes following parameters:

  • ann - The neural network resource
  • train - The train data resource or NULL if called from fann_train_on_file()
  • max_epochs - The maximum number of epochs the training should continue
  • epochs_between_reports - The number of epochs between calling this function
  • desired_error - The desired fann_get_MSE() or fann_get_bit_fail(), depending on the stop function chosen by fann_set_train_stop_function()
  • epochs - The current epoch

The callback should return TRUE. If it returns FALSE, the training will terminate.


Return Values

Returns TRUE on success, or FALSE otherwise.


See Also