fann_create_train_from_callback
PHP function
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(PECL fann >= 1.0.0)
Creates the training data struct from a user supplied function
Description
fann_create_train_from_callback(int $num_data, int $num_input, int $num_output, callable $user_function): resource
Creates the training data struct from a user supplied function. As the training data are numerable (data 1, data 2...), the user must write a function that receives the number of the training data set (input, output) and returns the set.
Parameters
num_dataThe number of training data
num_inputThe number of inputs per training data
num_outputThe number of outputs per training data
user_functionThe user supplied function with following parameters:
num- The number of the training data setnum_input- The number of inputs per training datanum_output- The number of outputs per training data
The function should return an associative array with keys
inputandoutputand two array values of input and output.
Return Values Train
Examples
fann_create_train_from_callback example
php
<?php
function create_train_callback($num_data, $num_input, $num_output) {
return array(
"input" => array_fill(0, $num_input, 1),
"output" => array_fill(0, $num_output, 1),
);
}
$num_data = 3;
$num_input = 2;
$num_output = 1;
$train_data = fann_create_train_from_callback($num_data, $num_input, $num_output, "create_train_callback");
if ($train_data) {
// Do something with $train_data
}
?>