From 427969e6d9f6db6b356644a77ee1b4c96a9194a3 Mon Sep 17 00:00:00 2001
From: Allan Jardine <allan.jardine@sprymedia.co.uk>
Date: Fri, 11 Mar 2016 09:47:55 +0000
Subject: [PATCH] Fix - API: `average()` needs an initial value

Fixes #257
---
 api/average().js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/api/average().js b/api/average().js
index 41e095b..cb400d6 100644
--- a/api/average().js
+++ b/api/average().js
@@ -25,7 +25,7 @@ jQuery.fn.dataTable.Api.register( 'average()', function () {
     var data = this.flatten();
     var sum = data.reduce( function ( a, b ) {
         return (a*1) + (b*1); // cast values in-case they are strings
-    } );
+    }, 0 );
  
     return sum / data.length;
 } );