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726cf4cddf
* travis: move coveralls here, decouple from package * composer: use PSR4 * phpunit: simpler config * travis: add ecs run * composer: add ecs dev * use standard vendor/bin directory for dependency bins, confuses with local bins and require gitignore handling * ecs: add PSR2 * [cs] PSR2 spacing fixes * [cs] PSR2 class name fix * [cs] PHP7 fixes - return semicolon spaces, old rand functions, typehints * [cs] fix less strict typehints * fix typehints to make tests pass * ecs: ignore typehint-less elements * [cs] standardize arrays * [cs] standardize docblock, remove unused comments * [cs] use self where possible * [cs] sort class elements, from public to private * [cs] do not use yoda (found less yoda-cases, than non-yoda) * space * [cs] do not assign in condition * [cs] use namespace imports if possible * [cs] use ::class over strings * [cs] fix defaults for arrays properties, properties and constants single spacing * cleanup ecs comments * [cs] use item per line in multi-items array * missing line * misc * rebase
63 lines
1.5 KiB
PHP
63 lines
1.5 KiB
PHP
<?php
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declare(strict_types=1);
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namespace tests\Phpml\Clustering;
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use Phpml\Clustering\DBSCAN;
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use PHPUnit\Framework\TestCase;
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class DBSCANTest extends TestCase
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{
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public function testDBSCANSamplesClustering(): void
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{
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$samples = [[1, 1], [8, 7], [1, 2], [7, 8], [2, 1], [8, 9]];
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$clustered = [
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[[1, 1], [1, 2], [2, 1]],
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[[8, 7], [7, 8], [8, 9]],
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];
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$dbscan = new DBSCAN($epsilon = 2, $minSamples = 3);
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$this->assertEquals($clustered, $dbscan->cluster($samples));
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$samples = [[1, 1], [6, 6], [1, -1], [5, 6], [-1, -1], [7, 8], [-1, 1], [7, 7]];
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$clustered = [
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[[1, 1], [1, -1], [-1, -1], [-1, 1]],
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[[6, 6], [5, 6], [7, 8], [7, 7]],
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];
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$dbscan = new DBSCAN($epsilon = 3, $minSamples = 4);
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$this->assertEquals($clustered, $dbscan->cluster($samples));
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}
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public function testDBSCANSamplesClusteringAssociative(): void
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{
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$samples = [
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'a' => [1, 1],
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'b' => [9, 9],
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'c' => [1, 2],
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'd' => [9, 8],
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'e' => [7, 7],
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'f' => [8, 7],
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];
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$clustered = [
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[
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'a' => [1, 1],
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'c' => [1, 2],
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],
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[
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'b' => [9, 9],
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'd' => [9, 8],
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'e' => [7, 7],
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'f' => [8, 7],
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],
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];
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$dbscan = new DBSCAN($epsilon = 3, $minSamples = 2);
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$this->assertEquals($clustered, $dbscan->cluster($samples));
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}
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}
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