Using date input support class - Revision history

Thwien: /* Training */

2010-01-06T18:53:40Z

Training

← Older revision		Revision as of 18:53, 6 January 2010
Line 45:		Line 45:

	$objNetwork = new ANN_Network(2, 8, 1);		$objNetwork = new ANN_Network(2, 8, 1);


	$objDateInput = new ANN_DateInputs('2010-01-03'); // As of ANN 2.1.3		$objDateInput = new ANN_DateInputs('2010-01-03'); // As of ANN 2.1.3


	$objTemperature = new ANN_InputValue(-15, 50); // Temperature in Celsius		$objTemperature = new ANN_InputValue(-15, 50); // Temperature in Celsius

Thwien: /* XML for holidays */

2010-01-06T18:52:45Z

XML for holidays

← Older revision		Revision as of 18:52, 6 January 2010
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	== XML for holidays ==		== XML for holidays ==

	The standard filename is Holidays.xml but can be ~~change~~ by calling ANN_DateInputs::setHolidaysFilename().		The standard filename is ''Holidays.xml'' but can be changed by calling ANN_DateInputs::setHolidaysFilename().

	<source lang="xml">		<source lang="xml">

Thwien at 18:37, 6 January 2010

2010-01-06T18:37:14Z

← Older revision		Revision as of 18:37, 6 January 2010
Line 2:		Line 2:

	For information about dat-files have a view to the [[FAQ]] page.		For information about dat-files have a view to the [[FAQ]] page.

			== XML for holidays ==

			The standard filename is Holidays.xml but can be change by calling ANN_DateInputs::setHolidaysFilename().

			<source lang="xml">
			<?xml version="1.0" encoding="UTF-8"?>
			<holidays>
			<holiday>
			<day>1</day>
			<month>1</month>
			<year>any</year>
			<country>Germany</country>
			<state>any</state>
			<description>New Year</description>
			</holiday>
			<holiday>
			<day>24</day>
			<month>12</month>
			<year>any</year>
			<country>Germany</country>
			<state>any</state>
			<description>Christmas</description>
			</holiday>
			</holidays>

			</source>

	== Training ==		== Training ==

Thwien: New page: == FAQ == For information about dat-files have a view to the FAQ page. == Training == require_once 'ANN/Loader.php'; try { $objNetwork = ANN_Network::loadFro...

2010-01-06T18:33:26Z

New page: == FAQ == For information about dat-files have a view to the FAQ page. == Training == <source lang="php"> require_once 'ANN/Loader.php'; try { $objNetwork = ANN_Network::loadFro...

New page

== FAQ ==

For information about dat-files have a view to the [[FAQ]] page.

== Training ==

<source lang="php">

require_once 'ANN/Loader.php';

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

$objNetwork = new ANN_Network(2, 8, 1);

$objDateInput = new ANN_DateInputs('2010-01-03'); // As of ANN 2.1.3

$objTemperature = new ANN_InputValue(-15, 50); // Temperature in Celsius

$objTemperature->saveToFile('input_temperature.dat');

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

$objHumidity->saveToFile('input_humidity.dat');

$objIcecream = new ANN_OutputValue(0, 300); // Quantity of sold ice-creams

$objIcecream->saveToFile('output_quantity.dat');

$objValues = new ANN_Values;

$objValues->train()
->input(
$objTemperature->getInputValue(20),
$objHumidity->getInputValue(10),
$objDateInput->getHolidaysInWeek() // As of ANN 2.1.3
)
->output(
$objIcecream->getOutputValue(20)
)
->input(
$objTemperature->getInputValue(30),
$objHumidity->getInputValue(40),
$objDateInput->getHolidaysInWeek()
)
->output(
$objIcecream->getOutputValue(90)
)
->input(
$objTemperature->getInputValue(32),
$objHumidity->getInputValue(30),
$objDateInput->getHolidaysInWeek()
)
->output(
$objIcecream->getOutputValue(70)
)
->input(
$objTemperature->getInputValue(33),
$objHumidity->getInputValue(20),
$objDateInput->getHolidaysInWeek()
)
->output(
$objIcecream->getOutputValue(75)
);

$objValues->saveToFile('values_icecreams.dat');

unset($objValues);
unset($objTemperature);
unset($objHumidity);
unset($objIcecream);
}

try
{
$objTemperature = ANN_InputValue::loadFromFile('input_temperature.dat'); // Temperature in Celsius

$objHumidity = ANN_InputValue::loadFromFile('input_humidity.dat'); // Humidity percentage

$objIcecream = ANN_OutputValue::loadFromFile('output_quantity.dat'); // Quantity of sold ice-creams
}
catch(Exception $e)
{
die('Error loading value objects');
}

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

$objNetwork->setValues($objValues); // As of ANN 2.0.6

$boolTrained = $objNetwork->train();

print ($boolTrained)
? 'Network trained'
: 'Network not trained completely. Please re-run the script';

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

$objNetwork->printNetwork();
</source>