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Change the default kernel type in SVC to Kernel::RBF (#267)
* Change the default kernel type in SVC to Kernel::RBF * Update CHANGELOG.md
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@ -4,6 +4,7 @@ CHANGELOG
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This changelog references the relevant changes done in PHP-ML library.
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* Unreleased
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* feature [Dataset] changed the default kernel type in SVC to Kernel::RBF (#267)
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* feature [Clustering] added KMeans associative clustering (#262)
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* feature [Dataset] added removeColumns function to ArrayDataset (#249)
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* feature [Dataset] added a SvmDataset class for SVM-Light (or LibSVM) format files (#237)
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@ -4,7 +4,7 @@ Classifier implementing Support Vector Machine based on libsvm.
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### Constructor Parameters
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* $kernel (int) - kernel type to be used in the algorithm (default Kernel::LINEAR)
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* $kernel (int) - kernel type to be used in the algorithm (default Kernel::RBF)
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* $cost (float) - parameter C of C-SVC (default 1.0)
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* $degree (int) - degree of the Kernel::POLYNOMIAL function (default 3)
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* $gamma (float) - kernel coefficient for ‘Kernel::RBF’, ‘Kernel::POLYNOMIAL’ and ‘Kernel::SIGMOID’. If gamma is ‘null’ then 1/features will be used instead.
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@ -11,7 +11,7 @@ use Phpml\SupportVectorMachine\Type;
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class SVC extends SupportVectorMachine implements Classifier
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{
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public function __construct(
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int $kernel = Kernel::LINEAR,
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int $kernel = Kernel::RBF,
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float $cost = 1.0,
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int $degree = 3,
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?float $gamma = null,
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