From 139db8fb1313f09c343225ab8179136f6b7aff2d Mon Sep 17 00:00:00 2001
From: Kenneth van Ewijk <kenneth@jessweb.nl>
Date: Mon, 20 Oct 2014 16:29:30 +0200
Subject: [PATCH] Fix for sort that broke graphs.

A shadow-copy was made and sorted, now a deep-copy is made an sorted.
The order of the original array is now no longer altered in the process
of determining some statistical values.
---
 StatisticsCalculator.java | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/StatisticsCalculator.java b/StatisticsCalculator.java
index 96d9de1..a4e3ee0 100644
--- a/StatisticsCalculator.java
+++ b/StatisticsCalculator.java
@@ -40,8 +40,15 @@ public class StatisticsCalculator {
         return avg;
     }
     
-      public static double median(ArrayList<Double> array){
-    	Collections.sort(array);							//sort the array
+      public static double median(ArrayList<Double> array2){
+    	ArrayList<Double> array = new ArrayList<Double>();
+    	
+    	for(double db : array2)
+    	{
+    	    array.add(db);
+    	}
+          
+        Collections.sort(array);							//sort the array
     	
     	double median = 0;
     	int middle = array.size()/2; 						//calculate the middle of the array