Phpml\Clustering\FuzzyCMeans Class Reference

Inheritance diagram for Phpml\Clustering\FuzzyCMeans:

Public Member Functions
	__construct (int $clustersNumber, float $fuzziness=2.0, float $epsilon=1e-2, int $maxIterations=100)
	cluster (array $samples)
	getMembershipMatrix ()

Protected Member Functions
	generateRandomMembership (int $rows, int $cols)
	getDistanceCalc (int $row, int $col)
	getMembershipRowTotal (int $row, int $col, bool $multiply)
	getObjective ()
	The objective is to minimize the distance between all data points and all cluster centers.
	initClusters ()
	updateClusters ()
	updateMembershipMatrix ()

Constructor & Destructor Documentation

__construct()

Phpml\Clustering\FuzzyCMeans::__construct	(	int	$clustersNumber,
		float	$fuzziness = 2.0,
		float	$epsilon = 1e-2,
		int	$maxIterations = 100 )

Exceptions

InvalidArgumentException

Member Function Documentation

cluster()

Phpml\Clustering\FuzzyCMeans::cluster

(

array

$samples

)

Implements Phpml\Clustering\Clusterer.

getObjective()

Phpml\Clustering\FuzzyCMeans::getObjective ( )

protected

The objective is to minimize the distance between all data points and all cluster centers.

This method returns the summation of all these distances

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The documentation for this class was generated from the following file:

• lib/mlbackend/php/phpml/src/Phpml/Clustering/FuzzyCMeans.php