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Added/converted a file I missed earlier (TrueSkillFactorGraph) and started adding using's and require_once's

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This commit is contained in:
Jeff Moser
2010-09-18 17:56:57 -04:00
parent 4748e7453a
commit 071bf16569
9 changed files with 219 additions and 8 deletions
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11
PHPSkills/TrueSkill/Factors/GaussianFactor.php
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@ -2,6 +2,16 @@
namespace Moserware\Skills\TrueSkill\Factors; namespace Moserware\Skills\TrueSkill\Factors;
require_once(dirname(__FILE__) . "../../FactorGraphs/Factor.php");
require_once(dirname(__FILE__) . "../../FactorGraphs/Message.php");
require_once(dirname(__FILE__) . "../../FactorGraphs/Variable.php");
require_once(dirname(__FILE__) . "../../Numerics/GaussianDistribution.php");
use Moserware\Numerics\GaussianDistribution;
use Moserware\Skills\FactorGraphs\Factor;
use Moserware\Skills\FactorGraphs\Message;
use Moserware\Skills\FactorGraphs\Variable;
abstract class GaussianFactor extends Factor abstract class GaussianFactor extends Factor
{ {
protected function __construct($name) protected function __construct($name)
@ -28,5 +38,4 @@ abstract class GaussianFactor extends Factor
} }
} }
?> ?>

11
PHPSkills/TrueSkill/Factors/GaussianGreaterThanFactor.php
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@ -1,6 +1,17 @@
<?php <?php
namespace Moserware\Skills\TrueSkill\Factors; namespace Moserware\Skills\TrueSkill\Factors;
require_once(dirname(__FILE__) . "GaussianFactor.php");
require_once(dirname(__FILE__) . "../TruncatedGaussianCorrectionFunctions.php");
require_once(dirname(__FILE__) . "../../FactorGraphs/Message.php");
require_once(dirname(__FILE__) . "../../FactorGraphs/Variable.php");
require_once(dirname(__FILE__) . "../../Numerics/GaussianDistribution.php");
use Moserware\Numerics\GaussianDistribution;
use Moserware\Skills\TrueSkill\TruncatedGaussianCorrectionFunctions;
use Moserware\Skills\FactorGraphs\Message;
use Moserware\Skills\FactorGraphs\Variable;
/// <summary> /// <summary>
/// Factor representing a team difference that has exceeded the draw margin. /// Factor representing a team difference that has exceeded the draw margin.
/// </summary> /// </summary>

10
PHPSkills/TrueSkill/Factors/GaussianLikelihoodFactor.php
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@ -1,7 +1,15 @@
<?php <?php
namespace Moserware\Skills\TrueSkill\Factors; namespace Moserware\Skills\TrueSkill\Factors;
require_once(dirname(__FILE__) . "GaussianFactor.php");
require_once(dirname(__FILE__) . "../../FactorGraphs/Message.php");
require_once(dirname(__FILE__) . "../../FactorGraphs/Variable.php");
require_once(dirname(__FILE__) . "../../Numerics/GaussianDistribution.php");
use Moserware\Numerics\GaussianDistribution;
use Moserware\Skills\FactorGraphs\Message;
use Moserware\Skills\FactorGraphs\Variable;
/// <summary> /// <summary>
/// Connects two variables and adds uncertainty. /// Connects two variables and adds uncertainty.
/// </summary> /// </summary>

12
PHPSkills/TrueSkill/Factors/GaussianPriorFactor.php
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@ -1,7 +1,16 @@
<?php <?php
namespace Moserware\Skills\TrueSkill\Factors; namespace Moserware\Skills\TrueSkill\Factors;
require_once(dirname(__FILE__) . "GaussianFactor.php");
require_once(dirname(__FILE__) . "../../FactorGraphs/Message.php");
require_once(dirname(__FILE__) . "../../FactorGraphs/Variable.php");
require_once(dirname(__FILE__) . "../../Numerics/GaussianDistribution.php");
use Moserware\Numerics\GaussianDistribution;
use Moserware\Skills\FactorGraphs\Message;
use Moserware\Skills\FactorGraphs\Variable;
/// <summary> /// <summary>
/// Supplies the factor graph with prior information. /// Supplies the factor graph with prior information.
/// </summary> /// </summary>
@ -36,5 +45,4 @@ class GaussianPriorFactor extends GaussianFactor
} }
} }
?> ?>

10
PHPSkills/TrueSkill/Factors/GaussianWeightedSumFactor.php
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@ -1,7 +1,15 @@
<?php <?php
namespace Moserware\Skills\TrueSkill\Factors; namespace Moserware\Skills\TrueSkill\Factors;
require_once(dirname(__FILE__) . "GaussianFactor.php");
require_once(dirname(__FILE__) . "../../FactorGraphs/Message.php");
require_once(dirname(__FILE__) . "../../FactorGraphs/Variable.php");
require_once(dirname(__FILE__) . "../../Numerics/GaussianDistribution.php");
use Moserware\Numerics\GaussianDistribution;
use Moserware\Skills\FactorGraphs\Message;
use Moserware\Skills\FactorGraphs\Variable;
/// <summary> /// <summary>
/// Factor that sums together multiple Gaussians. /// Factor that sums together multiple Gaussians.
/// </summary> /// </summary>

12
PHPSkills/TrueSkill/Factors/GaussianWithinFactor.php
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@ -1,7 +1,17 @@
<?php <?php
namespace Moserware\Skills\TrueSkill\Factors; namespace Moserware\Skills\TrueSkill\Factors;
require_once(dirname(__FILE__) . "GaussianFactor.php");
require_once(dirname(__FILE__) . "../TruncatedGaussianCorrectionFunctions.php");
require_once(dirname(__FILE__) . "../../FactorGraphs/Message.php");
require_once(dirname(__FILE__) . "../../FactorGraphs/Variable.php");
require_once(dirname(__FILE__) . "../../Numerics/GaussianDistribution.php");
use Moserware\Numerics\GaussianDistribution;
use Moserware\Skills\TrueSkill\TruncatedGaussianCorrectionFunctions;
use Moserware\Skills\FactorGraphs\Message;
use Moserware\Skills\FactorGraphs\Variable;
/// <summary> /// <summary>
/// Factor representing a team difference that has not exceeded the draw margin. /// Factor representing a team difference that has not exceeded the draw margin.
/// </summary> /// </summary>

10
PHPSkills/TrueSkill/Layers/IteratedTeamDifferencesInnerLayer.php
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@ -1,7 +1,15 @@
<?php <?php
namespace Moserware\Skills\TrueSkill\Layers; namespace Moserware\Skills\TrueSkill\Layers;
require_once(dirname(__FILE__) . "TrueSkillFactorGraphLayer.php");
require_once(dirname(__FILE__) . "TeamPerformancesToTeamPerformanceDifferencesLayer.php");
require_once(dirname(__FILE__) . "TeamDifferencesComparisonLayer.php");
require_once(dirname(__FILE__) . "../../FactorGraphs/Schedule.php");
use Moserware\Skills\FactorGraphs\ScheduleLoop;
use Moserware\Skills\FactorGraphs\ScheduleSequence;
use Moserware\Skills\FactorGraphs\ScheduleStep;
// The whole purpose of this is to do a loop on the bottom // The whole purpose of this is to do a loop on the bottom
class IteratedTeamDifferencesInnerLayer extends TrueSkillFactorGraphLayer class IteratedTeamDifferencesInnerLayer extends TrueSkillFactorGraphLayer
{ {

10
PHPSkills/TrueSkill/Layers/PlayerPerformancesToTeamPerformancesLayer.php
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@ -1,7 +1,15 @@
<?php <?php
namespace Moserware\Skills\TrueSkill\Layers; namespace Moserware\Skills\TrueSkill\Layers;
require_once(dirname(__FILE__) . "TrueSkillFactorGraphLayer.php");
require_once(dirname(__FILE__) . "TeamPerformancesToTeamPerformanceDifferencesLayer.php");
require_once(dirname(__FILE__) . "TeamDifferencesComparisonLayer.php");
require_once(dirname(__FILE__) . "../../FactorGraphs/Schedule.php");
use Moserware\Skills\FactorGraphs\ScheduleLoop;
use Moserware\Skills\FactorGraphs\ScheduleSequence;
use Moserware\Skills\FactorGraphs\ScheduleStep;
class PlayerPerformancesToTeamPerformancesLayer extends TrueSkillFactorGraphLayer class PlayerPerformancesToTeamPerformancesLayer extends TrueSkillFactorGraphLayer
{ {
public function __construct(TrueSkillFactorGraph $parentGraph) public function __construct(TrueSkillFactorGraph $parentGraph)

141
PHPSkills/TrueSkill/TrueSkillFactorGraph.php Normal file
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@ -0,0 +1,141 @@
<?php
namespace Moserware\Skills\TrueSkill;
require_once(dirname(__FILE__) . '../Rating.php');
require_once(dirname(__FILE__) . '../FactorGraphs/FactorList.php');
require_once(dirname(__FILE__) . '../FactorGraphs/Schedule.php');
require_once(dirname(__FILE__) . '../FactorGraphs/VariableFactory.php');
require_once(dirname(__FILE__) . '../Numerics/GaussianDistribution.php');
require_once(dirname(__FILE__) . '/Layers/PlayerPriorValuesToSkillsLayer.php');
require_once(dirname(__FILE__) . '/Layers/PlayerSkillsToPerformancesLayer.php');
require_once(dirname(__FILE__) . '/Layers/IteratedTeamDifferencesInnerLayer.php');
require_once(dirname(__FILE__) . '/Layers/TeamPerformancesToTeamPerformanceDifferencesLayer.php');
require_once(dirname(__FILE__) . '/Layers/TeamDifferencesComparisonLayer.php');
use Moserware\Skills\Rating;
use Moserware\Skills\FactorGraphs\FactorList;
use Moserware\Skills\FactorGraphs\ScheduleSequence;
use Moserware\Skills\FactorGraphs\VariableFactory;
use Moserware\Skills\TrueSkill\Layers\PlayerPriorValuesToSkillsLayer;
use Moserware\Skills\TrueSkill\Layers\PlayerSkillsToPerformancesLayer;
use Moserware\Skills\TrueSkill\Layers\IteratedTeamDifferencesInnerLayer;
use Moserware\Skills\TrueSkill\Layers\TeamPerformancesToTeamPerformanceDifferencesLayer;
use Moserware\Skills\TrueSkill\Layers\TeamDifferencesComparisonLayer;
class TrueSkillFactorGraph extends FactorGraph
{
private $_gameInfo;
private $_layers;
private $_priorLayer;
private $_variableFactory;
public function __construct(GameInfo $gameInfo, $teams, array $teamRanks)
{
$this->_priorLayer = new PlayerPriorValuesToSkillsLayer($this, $teams);
$this->_gameInfo = $gameInfo;
$this->_variableFactory = new VariableFactory(
function()
{
return GaussianDistribution::fromPrecisionMean(0, 0);
});
$this->_layers = array(
$this->_priorLayer,
new PlayerSkillsToPerformancesLayer($this),
new PlayerPerformancesToTeamPerformancesLayer($this),
new IteratedTeamDifferencesInnerLayer(
$this,
new TeamPerformancesToTeamPerformanceDifferencesLayer($this),
new TeamDifferencesComparisonLayer($this, $teamRanks))
);
}
public function getGameInfo()
{
return $this->_gameInfo;
}
public function buildGraph()
{
$lastOutput = null;
foreach ($this->_layers as $currentLayer)
{
if ($lastOutput != null)
{
$currentLayer->setInputVariablesGroups($lastOutput);
}
$currentLayer->buildLayer();
$lastOutput = $currentLayer->getOutputVariablesGroups();
}
}
public function runSchedule()
{
$fullSchedule = $this->createFullSchedule();
$fullScheduleDelta = $fullSchedule->visit();
}
public function getProbabilityOfRanking()
{
$factorList = new FactorList();
foreach ($this->_layers as $currentLayer)
{
foreach ($currentLayer->getFactors() as $currentFactor)
{
$factorList->addFactor($currentFactor);
}
}
$logZ = $factorList->getLogNormalization();
return exp($logZ);
}
private function createFullSchedule()
{
$fullSchedule = array();
foreach ($this->_layers as $currentLayer)
{
$currentPriorSchedule = $currentLayer->createPriorSchedule();
if ($currentPriorSchedule != null)
{
$fullSchedule->add($currentPriorSchedule);
}
}
$allLayersReverse = \array_reverse($this->_layers);
foreach ($allLayersReverse as $currentLayer)
{
$currentPosteriorSchedule = $currentLayer->createPosteriorSchedule();
if ($currentPosteriorSchedule != null)
{
$fullSchedule->add($currentPosteriorSchedule);
}
}
return new ScheduleSequence("Full schedule", $fullSchedule);
}
public function getUpdatedRatings()
{
$result = array();
foreach ($this->_priorLayer->getOutputVariablesGroups() as $currentTeam)
{
foreach ($currentTeam as $currentPlayer)
{
$result[$currentPlayer->getKey()] = new Rating($currentPlayer->getValue()->getMean(),
$currentPlayer->getValue()->getStandardDeviation());
}
}
return $result;
}
}
?>