文字
fann_set_callback
(PECL fann >= 1.0.0)
fann_set_callback — Sets the callback function for use during training
说明
bool fann_set_callback
( resource
$ann
, collable $callback
)Sets the callback function for use during training. It means that it is called from fann_train_on_data() or fann_train_on_file() .
参数
-
ann -
Neural network resource .
-
callback -
The supplied callback function takes following parameters:
- ann - The neural network resource
- train - The train data resource
or
NULLif 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 returnsFALSE, the training will terminate.
返回值
Returns TRUE on success, or FALSE otherwise.
参见
- fann_train_on_data() - Trains on an entire dataset for a period of time
- fann_train_on_file() - Trains on an entire dataset, which is read from file, for a period of time