Jim answers questions from fellow Drillers (More questions with answers here , Work Overview here , Index of concepts here ) Topic Overview Hi again folks, Jim Novo here. We’re about to take a trip into the world of small scale databases. In particular, how does a not-for-profit with a small database of donors go about using predictive models? Answer: Keep it simple. Try to avoid using a lot of variables; look for the most powerful and stick with those until you are able to uncover additonal info and grow the database. Ready? Q:  I am new in the NFP (Jim’s note – Not For Profit) sector and would like some advice re:  segmentation models to optimize campaign results – both response and value (Short Term  and Long Term).  Do you know or is there any knowledgebase of how the various techniques – behavioural, RFM, demographic, geographic – generally rate against each other? A:  Not other than my web site /  book , which generally covers all the simple models.…