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PHPMD reintroduced.

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This commit is contained in:
Jens True
2024-07-04 09:38:03 +00:00
parent 5dc0c7058d
commit cf588f3fc2
28 changed files with 56692 additions and 165 deletions
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12
src/FactorGraphs/Factor.php
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@@ -15,7 +15,7 @@ abstract class Factor
*/
private array $messages = [];
private readonly HashMap $messageToVariableBinding;
private readonly HashMap $msgToVariableBinding;
/**
* @var Variable[] $variables
@@ -24,7 +24,7 @@ abstract class Factor
protected function __construct()
{
$this->messageToVariableBinding = new HashMap();
$this->msgToVariableBinding = new HashMap();
}
/**
@@ -70,7 +70,7 @@ abstract class Factor
{
Guard::argumentIsValidIndex($messageIndex, count($this->messages), 'messageIndex');
$message = $this->messages[$messageIndex];
$variable = $this->messageToVariableBinding->getValue($message);
$variable = $this->msgToVariableBinding->getValue($message);
return $this->updateMessageVariable($message, $variable);
}
@@ -85,7 +85,7 @@ abstract class Factor
*/
public function resetMarginals(): void
{
$allValues = $this->messageToVariableBinding->getAllValues();
$allValues = $this->msgToVariableBinding->getAllValues();
foreach ($allValues as $currentVariable) {
$currentVariable->resetToPrior();
}
@@ -101,7 +101,7 @@ abstract class Factor
Guard::argumentIsValidIndex($messageIndex, count($this->messages), 'messageIndex');
$message = $this->messages[$messageIndex];
$variable = $this->messageToVariableBinding->getValue($message);
$variable = $this->msgToVariableBinding->getValue($message);
return $this->sendMessageVariable($message, $variable);
}
@@ -112,7 +112,7 @@ abstract class Factor
protected function createVariableToMessageBindingWithMessage(Variable $variable, Message $message): Message
{
$this->messageToVariableBinding->setValue($message, $variable);
$this->msgToVariableBinding->setValue($message, $variable);
$this->messages[] = $message;
$this->variables[] = $variable;

4
src/FactorGraphs/FactorGraphLayer.php
View File

@@ -17,7 +17,7 @@ abstract class FactorGraphLayer
/**
* @var array<int,array<int,Variable>>
*/
private array $outputVariablesGroups = [];
private array $outputVarGroups = [];
/**
* @var array<int,array<int,Variable>>
@@ -48,7 +48,7 @@ abstract class FactorGraphLayer
*/
public function &getOutputVariablesGroups(): array
{
return $this->outputVariablesGroups;
return $this->outputVarGroups;
}
/**

6
src/FactorGraphs/FactorList.php
View File

@@ -26,12 +26,12 @@ class FactorList
$listCount = count($this->list);
for ($i = 0; $i < $listCount; ++$i) {
$f = $this->list[$i];
$factor = $this->list[$i];
$numberOfMessages = $f->getNumberOfMessages();
$numberOfMessages = $factor->getNumberOfMessages();
for ($j = 0; $j < $numberOfMessages; ++$j) {
$sumLogZ += $f->sendMessageIndex($j);
$sumLogZ += $factor->sendMessageIndex($j);
}
}

6
src/FactorGraphs/VariableFactory.php
View File

@@ -6,20 +6,20 @@ namespace DNW\Skills\FactorGraphs;
class VariableFactory
{
public function __construct(private \Closure $variablePriorInitializer)
public function __construct(private \Closure $varPriorInitializer)
{
}
public function createBasicVariable(): Variable
{
$initializer = $this->variablePriorInitializer;
$initializer = $this->varPriorInitializer;
return new Variable($initializer());
}
public function createKeyedVariable(mixed $key): KeyedVariable
{
$initializer = $this->variablePriorInitializer;
$initializer = $this->varPriorInitializer;
return new KeyedVariable($key, $initializer());
}

6
src/GameInfo.php
View File

@@ -27,7 +27,7 @@ class GameInfo
public function __construct(
private readonly float $initialMean = self::DEFAULT_INITIAL_MEAN,
private readonly float $initialStandardDeviation = self::DEFAULT_INITIAL_STANDARD_DEVIATION,
private readonly float $initialStdDev = self::DEFAULT_INITIAL_STANDARD_DEVIATION,
private readonly float $beta = self::DEFAULT_BETA,
private readonly float $dynamicsFactor = self::DEFAULT_DYNAMICS_FACTOR,
private readonly float $drawProbability = self::DEFAULT_DRAW_PROBABILITY
@@ -42,7 +42,7 @@ class GameInfo
public function getInitialStandardDeviation(): float
{
return $this->initialStandardDeviation;
return $this->initialStdDev;
}
public function getBeta(): float
@@ -62,6 +62,6 @@ class GameInfo
public function getDefaultRating(): Rating
{
return new Rating($this->initialMean, $this->initialStandardDeviation);
return new Rating($this->initialMean, $this->initialStdDev);
}
}

10
src/Numerics/BasicMath.php
View File

@@ -13,15 +13,15 @@ namespace DNW\Skills\Numerics;
class BasicMath
{
/**
* Squares the input (x^2 = x * x)
* Squares the input (input^2 = input * input)
*
* @param $x Value to square (x)
* @param $input Value to square (input)
*
* @return float The squared value (x^2)
* @return float The squared value (input^2)
*/
public static function square(float $x): float
public static function square(float $input): float
{
return $x * $x;
return $input * $input;
}
/**

19
src/Numerics/GaussianDistribution.php
View File

@@ -55,7 +55,6 @@ class GaussianDistribution
$this->precisionMean = $this->precision * $this->mean;
} else {
$this->precision = \INF;
$this->precisionMean = $this->mean == 0 ? 0 : \INF;
}
}
@@ -175,7 +174,7 @@ class GaussianDistribution
BasicMath::square($meanDifference) / (2 * $varianceDifference);
}
public static function at(float $x, float $mean = 0.0, float $standardDeviation = 1.0): float
public static function at(float $var, float $mean = 0.0, float $standardDeviation = 1.0): float
{
// See http://mathworld.wolfram.com/NormalDistribution.html
// 1 -(x-mean)^2 / (2*stdDev^2)
@@ -183,22 +182,22 @@ class GaussianDistribution
// stdDev * sqrt(2*pi)
$multiplier = 1.0 / ($standardDeviation * self::M_SQRT_2_PI);
$expPart = exp((-1.0 * BasicMath::square($x - $mean)) / (2 * BasicMath::square($standardDeviation)));
$expPart = exp((-1.0 * BasicMath::square($var - $mean)) / (2 * BasicMath::square($standardDeviation)));
return $multiplier * $expPart;
}
public static function cumulativeTo(float $x): float
public static function cumulativeTo(float $var): float
{
$result = GaussianDistribution::errorFunctionCumulativeTo(-M_SQRT1_2 * $x);
$result = GaussianDistribution::errorFunctionCumulativeTo(-M_SQRT1_2 * $var);
return 0.5 * $result;
}
private static function errorFunctionCumulativeTo(float $x): float
private static function errorFunctionCumulativeTo(float $var): float
{
// Derived from page 265 of Numerical Recipes 3rd Edition
$z = abs($x);
$z = abs($var);
$t = 2.0 / (2.0 + $z);
$ty = 4 * $t - 2;
@@ -246,7 +245,7 @@ class GaussianDistribution
$ans = $t * exp(-$z * $z + 0.5 * ($coefficients[0] + $ty * $d) - $dd);
return ($x >= 0.0) ? $ans : (2.0 - $ans);
return ($var >= 0.0) ? $ans : (2.0 - $ans);
}
private static function inverseErrorFunctionCumulativeTo(float $p): float
@@ -272,9 +271,9 @@ class GaussianDistribution
return ($p < 1.0) ? $x : -$x;
}
public static function inverseCumulativeTo(float $x, float $mean = 0.0, float $standardDeviation = 1.0): float
public static function inverseCumulativeTo(float $var, float $mean = 0.0, float $standardDeviation = 1.0): float
{
// From numerical recipes, page 320
return $mean - M_SQRT2 * $standardDeviation * GaussianDistribution::inverseErrorFunctionCumulativeTo(2 * $x);
return $mean - M_SQRT2 * $standardDeviation * GaussianDistribution::inverseErrorFunctionCumulativeTo(2 * $var);
}
}

8
src/Numerics/Matrix.php
View File

@@ -76,10 +76,10 @@ class Matrix
$transposeMatrix = [];
$rowMatrixData = $this->matrixRowData;
for ($currentRowTransposeMatrix = 0; $currentRowTransposeMatrix < $this->columnCount; ++$currentRowTransposeMatrix) {
for ($currentColumnTransposeMatrix = 0; $currentColumnTransposeMatrix < $this->rowCount; ++$currentColumnTransposeMatrix) {
$transposeMatrix[$currentRowTransposeMatrix][$currentColumnTransposeMatrix] =
$rowMatrixData[$currentColumnTransposeMatrix][$currentRowTransposeMatrix];
for ($curRowTransposeMx = 0; $curRowTransposeMx < $this->columnCount; ++$curRowTransposeMx) {
for ($curColTransposeMx = 0; $curColTransposeMx < $this->rowCount; ++$curColTransposeMx) {
$transposeMatrix[$curRowTransposeMx][$curColTransposeMx] =
$rowMatrixData[$curColTransposeMx][$curRowTransposeMx];
}
}

10
src/PartialPlay.php
View File

@@ -8,14 +8,14 @@ class PartialPlay
{
public static function getPartialPlayPercentage(Player $player): float
{
$partialPlayPercentage = $player->getPartialPlayPercentage();
$partialPlayPct = $player->getPartialPlayPercentage();
// HACK to get around bug near 0
$smallestPercentage = 0.0001;
if ($partialPlayPercentage < $smallestPercentage) {
return $smallestPercentage;
$smallestPct = 0.0001;
if ($partialPlayPct < $smallestPct) {
return $smallestPct;
}
return $partialPlayPercentage;
return $partialPlayPct;
}
}

24
src/Player.php
View File

@@ -13,27 +13,27 @@ class Player implements ISupportPartialPlay, ISupportPartialUpdate
private const DEFAULT_PARTIAL_UPDATE_PERCENTAGE = 1.0;
private readonly float $PartialPlayPercentage;
private readonly float $PartialPlayPct;
private readonly float $PartialUpdatePercentage;
private readonly float $PartialUpdatePct;
/**
* Constructs a player.
*
* @param string|int $Id The identifier for the player, such as a name.
* @param float $partialPlayPercentage The weight percentage to give this player when calculating a new rank.
* @param float $partialUpdatePercentage Indicated how much of a skill update a player should receive where 0 represents no update and 1.0 represents 100% of the update.
* @param float $partialPlayPct The weight percentage to give this player when calculating a new rank.
* @param float $partialUpdatePct Indicated how much of a skill update a player should receive where 0 represents no update and 1.0 represents 100% of the update.
*/
public function __construct(
private readonly mixed $Id,
float $partialPlayPercentage = self::DEFAULT_PARTIAL_PLAY_PERCENTAGE,
float $partialUpdatePercentage = self::DEFAULT_PARTIAL_UPDATE_PERCENTAGE
float $partialPlayPct = self::DEFAULT_PARTIAL_PLAY_PERCENTAGE,
float $partialUpdatePct = self::DEFAULT_PARTIAL_UPDATE_PERCENTAGE
)
{
Guard::argumentInRangeInclusive($partialPlayPercentage, 0.0, 1.0, 'partialPlayPercentage');
Guard::argumentInRangeInclusive($partialUpdatePercentage, 0, 1.0, 'partialUpdatePercentage');
$this->PartialPlayPercentage = $partialPlayPercentage;
$this->PartialUpdatePercentage = $partialUpdatePercentage;
Guard::argumentInRangeInclusive($partialPlayPct, 0.0, 1.0, 'partialPlayPercentage');
Guard::argumentInRangeInclusive($partialUpdatePct, 0, 1.0, 'partialUpdatePercentage');
$this->PartialPlayPct = $partialPlayPct;
$this->PartialUpdatePct = $partialUpdatePct;
}
/**
@@ -49,7 +49,7 @@ class Player implements ISupportPartialPlay, ISupportPartialUpdate
*/
public function getPartialPlayPercentage(): float
{
return $this->PartialPlayPercentage;
return $this->PartialPlayPct;
}
/**
@@ -57,6 +57,6 @@ class Player implements ISupportPartialPlay, ISupportPartialUpdate
*/
public function getPartialUpdatePercentage(): float
{
return $this->PartialUpdatePercentage;
return $this->PartialUpdatePct;
}
}

3
src/TrueSkill/FactorGraphTrueSkillCalculator.php
View File

@@ -171,7 +171,8 @@ class FactorGraphTrueSkillCalculator extends SkillCalculator
$currentColumn = 0;
for ($i = 0; $i < count($teamAssignmentsList) - 1; ++$i) {
$teamCnt = count($teamAssignmentsList);
for ($i = 0; $i < $teamCnt - 1; ++$i) {
$currentTeam = $teamAssignmentsList[$i];
// Need to add in 0's for all the previous players, since they're not

4
src/TrueSkill/Factors/GaussianLikelihoodFactor.php
View File

@@ -60,9 +60,9 @@ class GaussianLikelihoodFactor extends GaussianFactor
$a * ($marginal2->getPrecision() - $message2Value->getPrecision())
);
$oldMarginalWithoutMessage = GaussianDistribution::divide($marginal1, $message1Value);
$oldMarginalWithoutMsg = GaussianDistribution::divide($marginal1, $message1Value);
$newMarginal = GaussianDistribution::multiply($oldMarginalWithoutMessage, $newMessage);
$newMarginal = GaussianDistribution::multiply($oldMarginalWithoutMsg, $newMessage);
// Update the message and marginal

19
src/TrueSkill/Factors/GaussianWeightedSumFactor.php
View File

@@ -19,9 +19,9 @@ use DNW\Skills\Numerics\GaussianDistribution;
class GaussianWeightedSumFactor extends GaussianFactor
{
/**
* @var array<int[]> $variableIndexOrdersForWeights
* @var array<int[]> $varIndexOrdersForWeights
*/
private array $variableIndexOrdersForWeights = [];
private array $varIndexOrdersForWeights = [];
/**
* This following is used for convenience, for example, the first entry is [0, 1, 2]
@@ -58,9 +58,9 @@ class GaussianWeightedSumFactor extends GaussianFactor
$variablesToSumLength = count($variablesToSum);
// 0..n-1
$this->variableIndexOrdersForWeights[0] = [];
$this->varIndexOrdersForWeights[0] = [];
for ($i = 0; $i < ($variablesToSumLength + 1); ++$i) {
$this->variableIndexOrdersForWeights[0][] = $i;
$this->varIndexOrdersForWeights[0][] = $i;
}
$variableWeightsLength = count($variableWeights);
@@ -113,7 +113,7 @@ class GaussianWeightedSumFactor extends GaussianFactor
$currentWeights[$currentDestinationWeightIndex] = $finalWeight;
$currentWeightsSquared[$currentDestinationWeightIndex] = BasicMath::square($finalWeight);
$variableIndices[count($variableWeights)] = 0;
$this->variableIndexOrdersForWeights[] = $variableIndices;
$this->varIndexOrdersForWeights[] = $variableIndices;
$this->weights[$weightsIndex] = $currentWeights;
$this->weightsSquared[$weightsIndex] = $currentWeightsSquared;
@@ -160,9 +160,7 @@ class GaussianWeightedSumFactor extends GaussianFactor
// The math works out so that 1/newPrecision = sum of a_i^2 /marginalsWithoutMessages[i]
$inverseOfNewPrecisionSum = 0.0;
$anotherInverseOfNewPrecisionSum = 0.0;
$weightedMeanSum = 0.0;
$anotherWeightedMeanSum = 0.0;
$weightsSquaredLength = count($weightsSquared);
@@ -172,16 +170,11 @@ class GaussianWeightedSumFactor extends GaussianFactor
$inverseOfNewPrecisionSum += $weightsSquared[$i] /
($variables[$i + 1]->getValue()->getPrecision() - $messages[$i + 1]->getValue()->getPrecision());
$diff = GaussianDistribution::divide($variables[$i + 1]->getValue(), $messages[$i + 1]->getValue());
$anotherInverseOfNewPrecisionSum += $weightsSquared[$i] / $diff->getPrecision();
$weightedMeanSum += $weights[$i]
*
($variables[$i + 1]->getValue()->getPrecisionMean() - $messages[$i + 1]->getValue()->getPrecisionMean())
/
($variables[$i + 1]->getValue()->getPrecision() - $messages[$i + 1]->getValue()->getPrecision());
$anotherWeightedMeanSum += $weights[$i] * $diff->getPrecisionMean() / $diff->getPrecision();
}
$newPrecision = 1.0 / $inverseOfNewPrecisionSum;
@@ -214,7 +207,7 @@ class GaussianWeightedSumFactor extends GaussianFactor
$updatedMessages = [];
$updatedVariables = [];
$indicesToUse = $this->variableIndexOrdersForWeights[$messageIndex];
$indicesToUse = $this->varIndexOrdersForWeights[$messageIndex];
// The tricky part here is that we have to put the messages and variables in the same
// order as the weights. Thankfully, the weights and messages share the same index numbers,
// so we just need to make sure they're consistent

36
src/TrueSkill/Layers/IteratedTeamDifferencesInnerLayer.php
View File

@@ -15,8 +15,8 @@ class IteratedTeamDifferencesInnerLayer extends TrueSkillFactorGraphLayer
{
public function __construct(
TrueSkillFactorGraph $parentGraph,
private readonly TeamPerformancesToTeamPerformanceDifferencesLayer $TeamPerformancesToTeamPerformanceDifferencesLayer,
private readonly TeamDifferencesComparisonLayer $TeamDifferencesComparisonLayer
private readonly TeamPerformancesToTeamPerformanceDifferencesLayer $teamPerformancesToTeamPerformanceDifferencesLayer,
private readonly TeamDifferencesComparisonLayer $teamDifferencesComparisonLayer
)
{
parent::__construct($parentGraph);
@@ -25,20 +25,20 @@ class IteratedTeamDifferencesInnerLayer extends TrueSkillFactorGraphLayer
public function getLocalFactors(): array
{
return array_merge(
$this->TeamPerformancesToTeamPerformanceDifferencesLayer->getLocalFactors(),
$this->TeamDifferencesComparisonLayer->getLocalFactors()
$this->teamPerformancesToTeamPerformanceDifferencesLayer->getLocalFactors(),
$this->teamDifferencesComparisonLayer->getLocalFactors()
);
}
public function buildLayer(): void
{
$inputVariablesGroups = $this->getInputVariablesGroups();
$this->TeamPerformancesToTeamPerformanceDifferencesLayer->setInputVariablesGroups($inputVariablesGroups);
$this->TeamPerformancesToTeamPerformanceDifferencesLayer->buildLayer();
$this->teamPerformancesToTeamPerformanceDifferencesLayer->setInputVariablesGroups($inputVariablesGroups);
$this->teamPerformancesToTeamPerformanceDifferencesLayer->buildLayer();
$teamDifferencesOutputVariablesGroups = $this->TeamPerformancesToTeamPerformanceDifferencesLayer->getOutputVariablesGroups();
$this->TeamDifferencesComparisonLayer->setInputVariablesGroups($teamDifferencesOutputVariablesGroups);
$this->TeamDifferencesComparisonLayer->buildLayer();
$teamDifferencesOutputVariablesGroups = $this->teamPerformancesToTeamPerformanceDifferencesLayer->getOutputVariablesGroups();
$this->teamDifferencesComparisonLayer->setInputVariablesGroups($teamDifferencesOutputVariablesGroups);
$this->teamDifferencesComparisonLayer->buildLayer();
}
public function createPriorSchedule(): ?ScheduleSequence
@@ -56,9 +56,9 @@ class IteratedTeamDifferencesInnerLayer extends TrueSkillFactorGraphLayer
}
// When dealing with differences, there are always (n-1) differences, so add in the 1
$totalTeamDifferences = count($this->TeamPerformancesToTeamPerformanceDifferencesLayer->getLocalFactors());
$totalTeamDifferences = count($this->teamPerformancesToTeamPerformanceDifferencesLayer->getLocalFactors());
$localFactors = $this->TeamPerformancesToTeamPerformanceDifferencesLayer->getLocalFactors();
$localFactors = $this->teamPerformancesToTeamPerformanceDifferencesLayer->getLocalFactors();
$firstDifferencesFactor = $localFactors[0];
$lastDifferencesFactor = $localFactors[$totalTeamDifferences - 1];
@@ -83,8 +83,8 @@ class IteratedTeamDifferencesInnerLayer extends TrueSkillFactorGraphLayer
private function createTwoTeamInnerPriorLoopSchedule(): ScheduleSequence
{
$teamPerformancesToTeamPerformanceDifferencesLayerLocalFactors = $this->TeamPerformancesToTeamPerformanceDifferencesLayer->getLocalFactors();
$teamDifferencesComparisonLayerLocalFactors = $this->TeamDifferencesComparisonLayer->getLocalFactors();
$teamPerformancesToTeamPerformanceDifferencesLayerLocalFactors = $this->teamPerformancesToTeamPerformanceDifferencesLayer->getLocalFactors();
$teamDifferencesComparisonLayerLocalFactors = $this->teamDifferencesComparisonLayer->getLocalFactors();
$firstPerfToTeamDiff = $teamPerformancesToTeamPerformanceDifferencesLayerLocalFactors[0];
$firstTeamDiffComparison = $teamDifferencesComparisonLayerLocalFactors[0];
@@ -109,13 +109,13 @@ class IteratedTeamDifferencesInnerLayer extends TrueSkillFactorGraphLayer
private function createMultipleTeamInnerPriorLoopSchedule(): ScheduleLoop
{
$totalTeamDifferences = count($this->TeamPerformancesToTeamPerformanceDifferencesLayer->getLocalFactors());
$totalTeamDifferences = count($this->teamPerformancesToTeamPerformanceDifferencesLayer->getLocalFactors());
$forwardScheduleList = [];
for ($i = 0; $i < $totalTeamDifferences - 1; ++$i) {
$teamPerformancesToTeamPerformanceDifferencesLayerLocalFactors = $this->TeamPerformancesToTeamPerformanceDifferencesLayer->getLocalFactors();
$teamDifferencesComparisonLayerLocalFactors = $this->TeamDifferencesComparisonLayer->getLocalFactors();
$teamPerformancesToTeamPerformanceDifferencesLayerLocalFactors = $this->teamPerformancesToTeamPerformanceDifferencesLayer->getLocalFactors();
$teamDifferencesComparisonLayerLocalFactors = $this->teamDifferencesComparisonLayer->getLocalFactors();
$currentTeamPerfToTeamPerfDiff = $teamPerformancesToTeamPerformanceDifferencesLayerLocalFactors[$i];
$currentTeamDiffComparison = $teamDifferencesComparisonLayerLocalFactors[$i];
@@ -151,8 +151,8 @@ class IteratedTeamDifferencesInnerLayer extends TrueSkillFactorGraphLayer
$backwardScheduleList = [];
for ($i = 0; $i < $totalTeamDifferences - 1; ++$i) {
$teamPerformancesToTeamPerformanceDifferencesLayerLocalFactors = $this->TeamPerformancesToTeamPerformanceDifferencesLayer->getLocalFactors();
$teamDifferencesComparisonLayerLocalFactors = $this->TeamDifferencesComparisonLayer->getLocalFactors();
$teamPerformancesToTeamPerformanceDifferencesLayerLocalFactors = $this->teamPerformancesToTeamPerformanceDifferencesLayer->getLocalFactors();
$teamDifferencesComparisonLayerLocalFactors = $this->teamDifferencesComparisonLayer->getLocalFactors();
$differencesFactor = $teamPerformancesToTeamPerformanceDifferencesLayerLocalFactors[$totalTeamDifferences - 1 - $i];
$comparisonFactor = $teamDifferencesComparisonLayerLocalFactors[$totalTeamDifferences - 1 - $i];

4
src/TrueSkill/Layers/PlayerPerformancesToTeamPerformancesLayer.php
View File

@@ -27,8 +27,8 @@ class PlayerPerformancesToTeamPerformancesLayer extends TrueSkillFactorGraphLaye
$this->addLayerFactor($newSumFactor);
// REVIEW: Does it make sense to have groups of one?
$outputVariablesGroups = &$this->getOutputVariablesGroups();
$outputVariablesGroups[] = [$teamPerformance];
$outputVarGroups = &$this->getOutputVariablesGroups();
$outputVarGroups[] = [$teamPerformance];
}
}

12
src/TrueSkill/Layers/PlayerPriorValuesToSkillsLayer.php
View File

@@ -34,12 +34,12 @@ class PlayerPriorValuesToSkillsLayer extends TrueSkillFactorGraphLayer
$localCurrentTeam = $currentTeam;
$currentTeamSkills = [];
$currentTeamAllPlayers = $localCurrentTeam->getAllPlayers();
foreach ($currentTeamAllPlayers as $currentTeamPlayer) {
$localCurrentTeamPlayer = $currentTeamPlayer;
$currentTeamPlayerRating = $currentTeam->getRating($localCurrentTeamPlayer);
$playerSkill = $this->createSkillOutputVariable($localCurrentTeamPlayer);
$priorFactor = $this->createPriorFactor($currentTeamPlayerRating, $playerSkill);
$curTeamAllPlayers = $localCurrentTeam->getAllPlayers();
foreach ($curTeamAllPlayers as $curTeamPlayer) {
$localCurTeamPlayer = $curTeamPlayer;
$curTeamPlayerRating = $currentTeam->getRating($localCurTeamPlayer);
$playerSkill = $this->createSkillOutputVariable($localCurTeamPlayer);
$priorFactor = $this->createPriorFactor($curTeamPlayerRating, $playerSkill);
$this->addLayerFactor($priorFactor);
$currentTeamSkills[] = $playerSkill;
}

18
src/TrueSkill/Layers/PlayerSkillsToPerformancesLayer.php
View File

@@ -15,25 +15,25 @@ class PlayerSkillsToPerformancesLayer extends TrueSkillFactorGraphLayer
{
public function buildLayer(): void
{
$inputVariablesGroups = $this->getInputVariablesGroups();
$outputVariablesGroups = &$this->getOutputVariablesGroups();
$inputVarGroups = $this->getInputVariablesGroups();
$outputVarGroups = &$this->getOutputVariablesGroups();
foreach ($inputVariablesGroups as $currentTeam) {
foreach ($inputVarGroups as $currentTeam) {
$currentTeamPlayerPerformances = [];
/**
* @var Variable $playerSkillVariable
* @var Variable $playerSkillVar
*/
foreach ($currentTeam as $playerSkillVariable) {
$localPlayerSkillVariable = $playerSkillVariable;
$currentPlayer = ($localPlayerSkillVariable instanceof KeyedVariable) ? $localPlayerSkillVariable->getKey() : "";
foreach ($currentTeam as $playerSkillVar) {
$localPlayerSkillVar = $playerSkillVar;
$currentPlayer = ($localPlayerSkillVar instanceof KeyedVariable) ? $localPlayerSkillVar->getKey() : "";
$playerPerformance = $this->createOutputVariable($currentPlayer);
$newLikelihoodFactor = $this->createLikelihood($localPlayerSkillVariable, $playerPerformance);
$newLikelihoodFactor = $this->createLikelihood($localPlayerSkillVar, $playerPerformance);
$this->addLayerFactor($newLikelihoodFactor);
$currentTeamPlayerPerformances[] = $playerPerformance;
}
$outputVariablesGroups[] = $currentTeamPlayerPerformances;
$outputVarGroups[] = $currentTeamPlayerPerformances;
}
}

6
src/TrueSkill/TrueSkillFactorGraph.php
View File

@@ -118,9 +118,9 @@ class TrueSkillFactorGraph extends FactorGraph
$allLayersReverse = array_reverse($this->layers);
foreach ($allLayersReverse as $currentLayer) {
$currentPosteriorSchedule = $currentLayer->createPosteriorSchedule();
if ($currentPosteriorSchedule != NULL) {
$fullSchedule[] = $currentPosteriorSchedule;
$curPosteriorSchedule = $currentLayer->createPosteriorSchedule();
if ($curPosteriorSchedule != NULL) {
$fullSchedule[] = $curPosteriorSchedule;
}
}

22
src/TrueSkill/TruncatedGaussianCorrectionFunctions.php
View File

@@ -102,33 +102,33 @@ class TruncatedGaussianCorrectionFunctions
}
// the multiplicative correction of a double-sided truncated Gaussian with unit variance
public static function wWithinMarginScaled(float $teamPerformanceDifference, float $drawMargin, float $c): float
public static function wWithinMarginScaled(float $teamPerformanceDiff, float $drawMargin, float $c): float
{
return self::wWithinMargin($teamPerformanceDifference / $c, $drawMargin / $c);
return self::wWithinMargin($teamPerformanceDiff / $c, $drawMargin / $c);
}
// From F#:
public static function wWithinMargin(float $teamPerformanceDifference, float $drawMargin): float
public static function wWithinMargin(float $teamPerformanceDiff, float $drawMargin): float
{
$teamPerformanceDifferenceAbsoluteValue = abs($teamPerformanceDifference);
$denominator = GaussianDistribution::cumulativeTo($drawMargin - $teamPerformanceDifferenceAbsoluteValue)
$teamPerformanceDiffAbsValue = abs($teamPerformanceDiff);
$denominator = GaussianDistribution::cumulativeTo($drawMargin - $teamPerformanceDiffAbsValue)
-
GaussianDistribution::cumulativeTo(-$drawMargin - $teamPerformanceDifferenceAbsoluteValue);
GaussianDistribution::cumulativeTo(-$drawMargin - $teamPerformanceDiffAbsValue);
if ($denominator < 2.222758749e-162) {
return 1.0;
}
$vt = self::vWithinMargin($teamPerformanceDifferenceAbsoluteValue, $drawMargin);
$vt = self::vWithinMargin($teamPerformanceDiffAbsValue, $drawMargin);
return $vt * $vt +
(($drawMargin - $teamPerformanceDifferenceAbsoluteValue)
(($drawMargin - $teamPerformanceDiffAbsValue)
*
GaussianDistribution::at(
$drawMargin - $teamPerformanceDifferenceAbsoluteValue
$drawMargin - $teamPerformanceDiffAbsValue
)
- (-$drawMargin - $teamPerformanceDifferenceAbsoluteValue)
- (-$drawMargin - $teamPerformanceDiffAbsValue)
*
GaussianDistribution::at(-$drawMargin - $teamPerformanceDifferenceAbsoluteValue)) / $denominator;
GaussianDistribution::at(-$drawMargin - $teamPerformanceDiffAbsValue)) / $denominator;
}
}

8
src/TrueSkill/TwoTeamTrueSkillCalculator.php
View File

@@ -125,9 +125,9 @@ class TwoTeamTrueSkillCalculator extends SkillCalculator
}
$selfTeamAllPlayers = $selfTeam->getAllPlayers();
foreach ($selfTeamAllPlayers as $selfTeamCurrentPlayer) {
$localSelfTeamCurrentPlayer = $selfTeamCurrentPlayer;
$previousPlayerRating = $selfTeam->getRating($localSelfTeamCurrentPlayer);
foreach ($selfTeamAllPlayers as $selfTeamCurPlayer) {
$localSelfTeamCurPlayer = $selfTeamCurPlayer;
$previousPlayerRating = $selfTeam->getRating($localSelfTeamCurPlayer);
$meanMultiplier = (BasicMath::square($previousPlayerRating->getStandardDeviation()) + $tauSquared) / $c;
$stdDevMultiplier = (BasicMath::square($previousPlayerRating->getStandardDeviation()) + $tauSquared) / BasicMath::square($c);
@@ -139,7 +139,7 @@ class TwoTeamTrueSkillCalculator extends SkillCalculator
(BasicMath::square($previousPlayerRating->getStandardDeviation()) + $tauSquared) * (1 - $w * $stdDevMultiplier)
);
$newPlayerRatings->setRating($localSelfTeamCurrentPlayer, new Rating($newMean, $newStdDev));
$newPlayerRatings->setRating($localSelfTeamCurPlayer, new Rating($newMean, $newStdDev));
}
}