From f2dd40cb6f6350e7eaaff0beae1131ae37b0a8c4 Mon Sep 17 00:00:00 2001
From: Marcin Michalski <evulmastah@gmail.com>
Date: Mon, 29 Oct 2018 20:04:06 +0100
Subject: [PATCH] Properly check cluster points label (#323)

---
 src/Clustering/KMeans/Cluster.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Clustering/KMeans/Cluster.php b/src/Clustering/KMeans/Cluster.php
index fa73e4b..f4c3d3e 100644
--- a/src/Clustering/KMeans/Cluster.php
+++ b/src/Clustering/KMeans/Cluster.php
@@ -31,7 +31,7 @@ class Cluster extends Point implements IteratorAggregate
     {
         $points = [];
         foreach ($this->points as $point) {
-            if (count($point->label) === 0) {
+            if ($point->label === null) {
                 $points[] = $point->toArray();
             } else {
                 $points[$point->label] = $point->toArray();