From f8f2582d2e29173cf8a0f0657f1a407ae75f8f12 Mon Sep 17 00:00:00 2001
From: Dennis Eichhorn <spl1nes.com@googlemail.com>
Date: Wed, 28 Sep 2016 08:15:44 +0200
Subject: [PATCH] Fixing loranz kurve

---
 Math/Finance/Lorenzkurve.php | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/Math/Finance/Lorenzkurve.php b/Math/Finance/Lorenzkurve.php
index ea7ca8d16..08d071548 100644
--- a/Math/Finance/Lorenzkurve.php
+++ b/Math/Finance/Lorenzkurve.php
@@ -35,9 +35,12 @@ class Lorenzkurve
         $i    = 1;
         $n    = count($data);
 
+        sort($data);
+
         foreach ($data as $key => $value) {
-            $sum1 += $i * $value;
-            $sum2 += $value;
+                $sum1 += $i * $value;
+                $sum2 += $value;
+                $i++;
         }
 
         return 2 * $sum1 / ($n * $sum2) - ($n + 1) / $n;