fann_set_bit_fail_limit
fann_set_cascade_activation_functions
Fann 関数
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# fann_set_callback

(PECL fann >= 1.0.0)

fann_set_callback — Sets the callback function for use during training

### 説明

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().

### パラメータ

`ann`

  ニューラルネットワークリソース。

`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.

### 返り値

成功した場合に `TRUE`、それ以外の場合に `FALSE` を返します。

### 参考

- 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

fann_set_bit_fail_limit
fann_set_cascade_activation_functions
Fann 関数
PHP Manual