Folks, Sending this remark to the list so that I/we don't forget to patch it .....
======================================== Just noticed that the postgres stddev is the stddev_sample formula. There are two different ways to calculate this value. Their difference is very small with large samle size. It would be nice to distinguish the two different versions. ======================================== -- Josh Berkus Aglio Database Solutions San Francisco ---------------------------(end of broadcast)--------------------------- TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faqs/FAQ.html