> I'm not sure how to create a result where I get the average number of > new users per day of the week. My issues are that days that did not > have any new users will not be factored into the average
This is a pretty common problem with time-series queries when there is sparse data. My go-to solution is to use generate_series---in your case from 0 to 6---then do a left join from there to your actual data.
Paul -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general