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General cleanup and removal of all unnecessary references

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Alexander Liljengård
2016-05-24 16:31:21 +02:00
parent 519ad85fad
commit a65f2aa9f3
43 changed files with 366 additions and 386 deletions
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19
src/TrueSkill/Layers/TeamPerformancesToTeamPerformanceDifferencesLayer.php
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@ -6,23 +6,23 @@ use Moserware\Skills\TrueSkill\Factors\GaussianWeightedSumFactor;
class TeamPerformancesToTeamPerformanceDifferencesLayer extends TrueSkillFactorGraphLayer
{
public function __construct(TrueSkillFactorGraph &$parentGraph)
public function __construct(TrueSkillFactorGraph $parentGraph)
{
parent::__construct($parentGraph);
}
public function buildLayer()
{
$inputVariablesGroups = &$this->getInputVariablesGroups();
$inputVariablesGroups = $this->getInputVariablesGroups();
$inputVariablesGroupsCount = count($inputVariablesGroups);
$outputVariablesGroup = &$this->getOutputVariablesGroups();
for ($i = 0; $i < $inputVariablesGroupsCount - 1; $i++)
{
$strongerTeam = &$inputVariablesGroups[$i][0];
$weakerTeam = &$inputVariablesGroups[$i + 1][0];
$strongerTeam = $inputVariablesGroups[$i][0];
$weakerTeam = $inputVariablesGroups[$i + 1][0];
$currentDifference = &$this->createOutputVariable();
$currentDifference = $this->createOutputVariable();
$newDifferencesFactor = $this->createTeamPerformanceToDifferenceFactor($strongerTeam, $weakerTeam, $currentDifference);
$this->addLayerFactor($newDifferencesFactor);
@ -31,17 +31,18 @@ class TeamPerformancesToTeamPerformanceDifferencesLayer extends TrueSkillFactorG
}
}
private function createTeamPerformanceToDifferenceFactor(
Variable &$strongerTeam, Variable &$weakerTeam, Variable &$output)
private function createTeamPerformanceToDifferenceFactor(Variable $strongerTeam,
Variable $weakerTeam,
Variable $output)
{
$teams = array($strongerTeam, $weakerTeam);
$weights = array(1.0, -1.0);
return new GaussianWeightedSumFactor($output, $teams, $weights);
}
private function &createOutputVariable()
private function createOutputVariable()
{
$outputVariable = &$this->getParentFactorGraph()->getVariableFactory()->createBasicVariable("Team performance difference");
$outputVariable = $this->getParentFactorGraph()->getVariableFactory()->createBasicVariable("Team performance difference");
return $outputVariable;
}
}