diff --git a/scripts-available/CDB_EqualIntervalBins.sql b/scripts-available/CDB_EqualIntervalBins.sql
index eef914e..b63ea19 100644
--- a/scripts-available/CDB_EqualIntervalBins.sql
+++ b/scripts-available/CDB_EqualIntervalBins.sql
@@ -1,8 +1,8 @@
 --
 -- Calculate the equal interval bins for a given column
 --
--- @param in_array A numeric or double precision array of numbers to determine the best
---                   to determine the bin boundary
+-- @param in_array An array of numbers to determine the best
+--                   bin boundary
 --
 -- @param breaks The number of bins you want to find.
 --  
@@ -10,7 +10,8 @@
 -- Returns: upper edges of bins
 -- 
 --
-CREATE OR REPLACE FUNCTION CDB_EqualIntervalBins ( in_array NUMERIC[], breaks INT ) RETURNS NUMERIC[] as $$
+
+CREATE OR REPLACE FUNCTION CDB_EqualIntervalBins ( in_array anyarray, breaks INT ) RETURNS anyarray as $$
 WITH stats AS (
   SELECT min(e), (max(e)-min(e))/breaks AS del
     FROM (SELECT unnest(in_array) e) AS p)
@@ -20,12 +21,4 @@ SELECT array_agg(bins)
       FROM stats) q;
 $$ LANGUAGE SQL IMMUTABLE;
 
-CREATE OR REPLACE FUNCTION CDB_EqualIntervalBins ( in_array double precision[], breaks INT ) RETURNS double precision[] as $$
-WITH stats AS (
-  SELECT min(e), (max(e)-min(e))/breaks AS del
-    FROM (SELECT unnest(in_array) e) AS p)
-SELECT array_agg(bins)
-  FROM (
-    SELECT min + generate_series(1,breaks)*del AS bins
-      FROM stats) q;
-$$ LANGUAGE SQL IMMUTABLE;
+DROP FUNCTION IF EXISTS CDB_EqualIntervalBins( numeric[], integer);