fann_scale_train_data

(PECL fann >= 1.0.0)

fann_scale_train_data — Scales the inputs and outputs in the training data to the specified range

Description

bool fann_scale_train_data ( resource $train_data , float $new_min , float $new_max )

Scales the inputs and outputs in the training data to the specified range.

Parameters

train_data: Neural network training data resource.
new_min: New minimum after scaling inputs and outputs in training data.
new_max: New maximum after scaling inputs and outputs in training data.

Return Values

Returns TRUE on success, or FALSE otherwise.

Коментарии

Jul 09

Автор: geekgirl dot joy at gmail dot com


<?php



// How to scale an existing unscaled training file and save it



$path = 'TrainingData' . DIRECTORY_SEPARATOR;



// Read raw (un-scaled) training data from file

$train_data = fann_read_train_from_file($path . "Training.data");



// Scale to a range of -1 to 1

fann_scale_train_data($train_data, -1, 1);



// Save the new scaled traning data as a file

fann_save_train($train_data, $path . 'ScaledTraining.data');