feat with negitive stats?

I have a idea for a feat the reduces one stat to raise another (like traits from fallout new Vegas) but before l try, l want to know if its possable to do with the feat maker, and if so, how?

do the same thing as you would to raise a stat but set the value to negative

Quote from zenlos_the_doctor >>

do the same thing as you would to raise a stat but set the value to negative

Facepalm. I Actually thought of that, but honestly didn't think it was as simple as putting a "-" before the number. Thanks though, you were right.