Difference between revisions of "Logging network weights"

From Artificial Neural Network for PHP
(New page: == Logging network weights while training == <source lang="php"> require_once 'ANN/ANN_Network.php'; try { $network = ANN_Network::loadFromFile('xor.dat'); } catch(Exception $e) { pr...)
 
 
(9 intermediate revisions by the same user not shown)
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');
+
$objNetwork->logWeightsToFile('network.csv'); // Start logging
   
$network->train();
+
$objNetwork->train();
   
$network->saveToFile('xor.dat');
+
$objNetwork->saveToFile('xor.dat');
   
 
</source>
 
</source>

Latest revision as of 13:13, 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');