--- a/heuristics/historyHeuristics.php
+++ b/heuristics/historyHeuristics.php
@@ -1,1 +1,6 @@
-
+      - unusual for agency/supplier
+        - previous low number of transactions 
+          - zero ie. new agency/supplier is huge score
+    - unusual value for time of year
+        - compare to all other records in last 2 weeks
+        - ie. many large contracts in june so takes more to standout