public function testDBSCANSamplesClustering() { $samples = [[1, 1], [8, 7], [1, 2], [7, 8], [2, 1], [8, 9]]; $clustered = [[[1, 1], [1, 2], [2, 1]], [[8, 7], [7, 8], [8, 9]]]; $dbscan = new DBSCAN($epsilon = 2, $minSamples = 3); $this->assertEquals($clustered, $dbscan->cluster($samples)); $samples = [[1, 1], [6, 6], [1, -1], [5, 6], [-1, -1], [7, 8], [-1, 1], [7, 7]]; $clustered = [[[1, 1], [1, -1], [-1, -1], [-1, 1]], [[6, 6], [5, 6], [7, 8], [7, 7]]]; $dbscan = new DBSCAN($epsilon = 3, $minSamples = 4); $this->assertEquals($clustered, $dbscan->cluster($samples)); }