php-ai / php-ml

src/Phpml/Math/Statistic/Correlation.php

Spacing +1 added lines, -1 removed lines

@@ -30,7 +30,7 @@
         $a2 = 0;
         $b2 = 0;
 
-        for ($i = 0;$i < $count;++$i) {
+        for ($i = 0; $i < $count; ++$i) {
             $a = $x[$i] - $meanX;
             $b = $y[$i] - $meanY;
             $axb = $axb + ($a * $b);

src/Phpml/Clustering/KMeans/Space.php

Doc Comments +3 added lines, -3 removed lines

@@ -17,7 +17,7 @@ 
     protected $dimension;
 
     /**
-     * @param $dimension
+     * @param integer $dimension
      */
     public function __construct($dimension)
     {
@@ -65,7 +65,7 @@ 
     }
 
     /**
-     * @param object $point
+     * @param Point $point
      * @param null   $data
      */
     public function attach($point, $data = null)
@@ -225,7 +225,7 @@ 
     /**
      * @param int $clustersNumber
      *
-     * @return array
+     * @return Cluster[]
      */
     protected function initializeKMPPClusters(int $clustersNumber)
     {