Logging network weights: Difference between revisions

From Artificial Neural Network for PHP
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== Logging network weights while training ==
== Logging network weights while training ==

THIS EXAMPLE IS NOT UP TO DATE. PLEASE HAVE A LOOK TO XOR EXAMPLE!!!


<source lang="php">
<source lang="php">

Revision as of 06:41, 19 December 2008

Logging network weights while training

require_once 'ANN/ANN_Loader.php';

try
{
  $objNetwork = ANN_Network::loadFromFile('xor.dat');
}
catch(Exception $e)
{
  print 'Creating a new one...';
	
  $objNetwork = new ANN_Network;

  $objValues = new ANN_Values;

  $objValues->train()
            ->input(0,0)->output(0)
            ->input(0,1)->output(1)
            ->input(1,0)->output(1)
            ->input(1,1)->output(0);

  $objValues->saveToFile('values_xor.dat');
  
  unset($objValues);
}

try
{
  $objValues = ANN_Values::loadFromFile('values_xor.dat');
}
catch(Exception $e)
{
  die('Loading of values failed');
}

$objNetwork->setValues($objValues); // to be called as of version 2.0.6

$objNetwork->logWeightsToFile('network.csv'); // Start logging

$objNetwork->train();

$objNetwork->saveToFile('xor.dat');