Logging network weights: Difference between revisions

From Artificial Neural Network for PHP
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Line 2: Line 2:


<source lang="php">
<source lang="php">
require_once 'ANN/ANN_Network.php';
require_once 'ANN/Loader.php';

use ANN\Network;
use ANN\Values;


try
try
{
{
$network = ANN_Network::loadFromFile('xor.dat');
$objNetwork = Network::loadFromFile('xor.dat');
}
}
catch(Exception $e)
catch(Exception $e)
Line 12: Line 15:
print 'Creating a new one...';
print 'Creating a new one...';
$network = new ANN_Network;
$objNetwork = new Network;
}


$objValues = new Values;
$inputs = array(
array(0, 0),
array(0, 1),
array(1, 0),
array(1, 1)
);


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


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

try
{
$objValues = 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
$network->setOutputs($outputs);


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


$network->train();
$objNetwork->train();


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


</source>
</source>

Latest revision as of 12:13, 1 June 2011

Logging network weights while training

require_once 'ANN/Loader.php';

use ANN\Network;
use ANN\Values;

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

  $objValues = new 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 = 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');