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This commit is contained in:
Alex Wulf
2022-07-05 16:32:18 +02:00
parent 8b2d547ace
commit 5dd4acf57d
15 changed files with 95 additions and 99 deletions
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2
src/Player.php
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@ -18,7 +18,7 @@ class Player implements ISupportPartialPlay, ISupportPartialUpdate, \Stringable
/**
* Constructs a player.
*
* @param mixed $_Id The identifier for the player, such as a name.
* @param mixed $_Id The identifier for the player, such as a name.
* @param number $partialPlayPercentage The weight percentage to give this player when calculating a new rank.
* @param number $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.
*/

6
src/Rating.php
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@ -12,9 +12,9 @@ class Rating implements \Stringable
/**
* Constructs a rating.
*
* @param float $_mean The statistical mean value of the rating (also known as mu).
* @param float $_standardDeviation The standard deviation of the rating (also known as s).
* @param float|int $_conservativeStandardDeviationMultiplier optional The number of standardDeviations to subtract from the mean to achieve a conservative rating.
* @param float $_mean The statistical mean value of the rating (also known as mu).
* @param float $_standardDeviation The standard deviation of the rating (also known as s).
* @param float|int $_conservativeStandardDeviationMultiplier optional The number of standardDeviations to subtract from the mean to achieve a conservative rating.
*/
public function __construct(private $_mean, private $_standardDeviation, private $_conservativeStandardDeviationMultiplier = self::CONSERVATIVE_STANDARD_DEVIATION_MULTIPLIER)
{

1
src/SkillCalculator.php
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@ -47,6 +47,7 @@ abstract class SkillCalculator
/**
* @param array<\DNW\Skills\Team> $teams
* @return void
*
* @throws \Exception
*/
private static function validateTeamCountAndPlayersCountPerTeamWithRanges(array $teams, TeamsRange $totalTeams, PlayersRange $playersPerTeam)

4
src/TrueSkill/FactorGraphTrueSkillCalculator.php
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@ -88,7 +88,7 @@ class FactorGraphTrueSkillCalculator extends SkillCalculator
{
// A simple vector of all the player means.
return new Vector(self::getPlayerRatingValues($teamAssignmentsList,
fn($rating) => $rating->getMean()));
fn ($rating) => $rating->getMean()));
}
private static function getPlayerCovarianceMatrix(array $teamAssignmentsList)
@ -97,7 +97,7 @@ class FactorGraphTrueSkillCalculator extends SkillCalculator
// players.
return new DiagonalMatrix(
self::getPlayerRatingValues($teamAssignmentsList,
fn($rating) => BasicMath::square($rating->getStandardDeviation())));
fn ($rating) => BasicMath::square($rating->getStandardDeviation())));
}
// Helper function that gets a list of values for all player ratings

1
src/TrueSkill/Factors/GaussianPriorFactor.php
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@ -38,6 +38,5 @@ class GaussianPriorFactor extends GaussianFactor
$message->setValue($this->_newMessage);
return GaussianDistribution::subtract($oldMarginal, $newMarginal);
}
}

5
src/TrueSkill/Layers/PlayerPerformancesToTeamPerformancesLayer.php
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@ -5,7 +5,6 @@ namespace DNW\Skills\TrueSkill\Layers;
use DNW\Skills\FactorGraphs\ScheduleStep;
use DNW\Skills\PartialPlay;
use DNW\Skills\TrueSkill\Factors\GaussianWeightedSumFactor;
use DNW\Skills\TrueSkill\TrueSkillFactorGraph;
class PlayerPerformancesToTeamPerformancesLayer extends TrueSkillFactorGraphLayer
{
@ -31,7 +30,7 @@ class PlayerPerformancesToTeamPerformancesLayer extends TrueSkillFactorGraphLaye
return $this->scheduleSequence(
array_map(
fn($weightedSumFactor) => new ScheduleStep('Perf to Team Perf Step', $weightedSumFactor, 0),
fn ($weightedSumFactor) => new ScheduleStep('Perf to Team Perf Step', $weightedSumFactor, 0),
$localFactors),
'all player perf to team perf schedule');
}
@ -70,7 +69,7 @@ class PlayerPerformancesToTeamPerformancesLayer extends TrueSkillFactorGraphLaye
private function createOutputVariable($team)
{
$memberNames = array_map(fn($currentPlayer) => (string) ($currentPlayer->getKey()), $team);
$memberNames = array_map(fn ($currentPlayer) => (string) ($currentPlayer->getKey()), $team);
$teamMemberNames = \implode(', ', $memberNames);

2
src/TrueSkill/Layers/PlayerPriorValuesToSkillsLayer.php
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@ -46,7 +46,7 @@ class PlayerPriorValuesToSkillsLayer extends TrueSkillFactorGraphLayer
return $this->scheduleSequence(
array_map(
fn($prior) => new ScheduleStep('Prior to Skill Step', $prior, 0),
fn ($prior) => new ScheduleStep('Prior to Skill Step', $prior, 0),
$localFactors),
'All priors');
}

5
src/TrueSkill/Layers/PlayerSkillsToPerformancesLayer.php
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@ -6,7 +6,6 @@ use DNW\Skills\FactorGraphs\KeyedVariable;
use DNW\Skills\FactorGraphs\ScheduleStep;
use DNW\Skills\Numerics\BasicMath;
use DNW\Skills\TrueSkill\Factors\GaussianLikelihoodFactor;
use DNW\Skills\TrueSkill\TrueSkillFactorGraph;
class PlayerSkillsToPerformancesLayer extends TrueSkillFactorGraphLayer
{
@ -51,7 +50,7 @@ class PlayerSkillsToPerformancesLayer extends TrueSkillFactorGraphLayer
return $this->scheduleSequence(
array_map(
fn($likelihood) => new ScheduleStep('Skill to Perf step', $likelihood, 0),
fn ($likelihood) => new ScheduleStep('Skill to Perf step', $likelihood, 0),
$localFactors),
'All skill to performance sending');
}
@ -62,7 +61,7 @@ class PlayerSkillsToPerformancesLayer extends TrueSkillFactorGraphLayer
return $this->scheduleSequence(
array_map(
fn($likelihood) => new ScheduleStep('name', $likelihood, 1),
fn ($likelihood) => new ScheduleStep('name', $likelihood, 1),
$localFactors),
'All skill to performance sending');
}

1
src/TrueSkill/Layers/TeamPerformancesToTeamPerformanceDifferencesLayer.php
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@ -4,7 +4,6 @@ namespace DNW\Skills\TrueSkill\Layers;
use DNW\Skills\FactorGraphs\Variable;
use DNW\Skills\TrueSkill\Factors\GaussianWeightedSumFactor;
use DNW\Skills\TrueSkill\TrueSkillFactorGraph;
class TeamPerformancesToTeamPerformanceDifferencesLayer extends TrueSkillFactorGraphLayer
{

2
src/TrueSkill/TrueSkillFactorGraph.php
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@ -27,7 +27,7 @@ class TrueSkillFactorGraph extends FactorGraph
{
$this->_priorLayer = new PlayerPriorValuesToSkillsLayer($this, $teams);
$newFactory = new VariableFactory(
fn() => GaussianDistribution::fromPrecisionMean(0, 0));
fn () => GaussianDistribution::fromPrecisionMean(0, 0));
$this->setVariableFactory($newFactory);
$this->_layers = [

8
src/TrueSkill/TwoTeamTrueSkillCalculator.php
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@ -72,12 +72,12 @@ class TwoTeamTrueSkillCalculator extends SkillCalculator
$totalPlayers = $selfTeam->count() + $otherTeam->count();
$meanGetter = fn($currentRating) => $currentRating->getMean();
$meanGetter = fn ($currentRating) => $currentRating->getMean();
$selfMeanSum = BasicMath::sum($selfTeam->getAllRatings(), $meanGetter);
$otherTeamMeanSum = BasicMath::sum($otherTeam->getAllRatings(), $meanGetter);
$varianceGetter = fn($currentRating) => BasicMath::square($currentRating->getStandardDeviation());
$varianceGetter = fn ($currentRating) => BasicMath::square($currentRating->getStandardDeviation());
$c = sqrt(
BasicMath::sum($selfTeam->getAllRatings(), $varianceGetter)
@ -153,9 +153,9 @@ class TwoTeamTrueSkillCalculator extends SkillCalculator
$betaSquared = BasicMath::square($gameInfo->getBeta());
$meanGetter = fn($currentRating) => $currentRating->getMean();
$meanGetter = fn ($currentRating) => $currentRating->getMean();
$varianceGetter = fn($currentRating) => BasicMath::square($currentRating->getStandardDeviation());
$varianceGetter = fn ($currentRating) => BasicMath::square($currentRating->getStandardDeviation());
$team1MeanSum = BasicMath::sum($team1Ratings, $meanGetter);
$team1StdDevSquared = BasicMath::sum($team1Ratings, $varianceGetter);