I use league averages for my models. That gives me a starting point to plug each teams stats into and I adjust them based on on court results.
Here's a link for possession creation
Here's a link to pace/efficiency numbers from last year (WNBA). I'm sure there are others out there.
Here's a link for possession creation
Here's a link to pace/efficiency numbers from last year (WNBA). I'm sure there are others out there.

I'd wish you luck but you'll probably get offended by that too. Find someone else to do your work for you.