Selling Icecreams

From Artificial Neural Network for PHP
Revision as of 11:24, 31 December 2007 by Thwien (talk | contribs) (→‎Training)

Training

require_once 'ANN/ANN_Network.php';

try
{
  $network = ANN_Network::loadFromFile('icecreams.dat');
}
catch(Exception $e)
{
  print 'Creating a new one...';
	
  $network = new ANN_Network(2,8,1);
}

$temperature = new ANN_InputValue(-15, 50); // Temperature

$humidity    = new ANN_InputValue(0, 100);  // Humidity

$icecream    = new ANN_OutputValue(0, 300); // Ice-Creams

$inputs = array(
	array($temperature->getInputValue(20), $humidity->getInputValue(10)),
	array($temperature->getInputValue(30), $humidity->getInputValue(40)),
	array($temperature->getInputValue(32), $humidity->getInputValue(30)),
	array($temperature->getInputValue(33), $humidity->getInputValue(20))
);

$outputs = array(
	array($icecream->getOutputValue(20)),
	array($icecream->getOutputValue(90)),
	array($icecream->getOutputValue(70)),
	array($icecream->getOutputValue(75))
);

$network->setInputs($inputs);

$network->setOutputs($outputs);

$network->train();

$network->saveToFile('icecreams.dat');