adds missing arguments

src/pg/sql/11_kmeans.sql

@@ -11,12 +11,18 @@ $$ LANGUAGE plpythonu;
 -- Non-spatial k-means clustering
 -- query: sql query to retrieve all the needed data
 
-CREATE OR REPLACE FUNCTION CDB_KMeansNonspatial(query TEXT, colnames TEXT[], num_clusters INTEGER, id_col TEXT DEFAULT 'cartodb_id')
+CREATE OR REPLACE FUNCTION CDB_KMeansNonspatial(
+  query TEXT,
+  colnames TEXT[],
+  num_clusters INTEGER,
+  id_col TEXT DEFAULT 'cartodb_id',
+  standarize BOOLEAN DEFAULT true
+)
 RETURNS TABLE(cluster_label text, cluster_center text, rowid bigint) AS $$
 
-from crankshaft.clustering import kmeans_nonspatial
-return kmeans_nonspatial(query, colnames, num_clusters, id_col)
-
+    from crankshaft.clustering import kmeans_nonspatial
+    return kmeans_nonspatial(query, colnames, num_clusters,
+                             id_col, standarize)
 $$ LANGUAGE plpythonu;