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fann_create_train_from_callback

(PECL fann >= 1.0.0)

fann_create_train_from_callbackCreates the training data struct from a user supplied function

Description

resource fann_create_train_from_callback ( int $num_data , int $num_input , int $num_output , collable $user_function )

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_data

The number of training data

num_input

The number of inputs per training data

num_output

The number of ouputs per training data

user_function

The user supplied function with following parameters:

  • num - The number of the training data set
  • num_input - The number of inputs per training data
  • num - The number of ouputs per training dataThe number of inputs per training data

The function should return an associative array with keys input and output and two array values of input and output.

Return Values

Returns a train data resource on success, or FALSE on error.

Examples

Example #1 fann_create_train_from_callback() example

<?php
function create_train_callback($num_data$num_input$num_output) {
    return array(
        
"input" => array_fill(0$num_input1),
        
"output" => array_fill(0$num_output1),
    );
}

$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
}
?>

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