financial-projection

How would I calculate EXPECTED income if I have PAST income data in mySQL?

Ok, I'm just curious what the formula would be for calculating an expected income over the next X weeks/months/etc, if the only data I have in mySQL DB is all past transactions (dates of transactions, amounts, etc) I am thinking taking some averages and whatnot, but I can't think of a specific formula (there must be something along thos...