> your fist model will stink. you'll refine it and try again. and you'll keep doing that. unfotunatly, this mean your model ends up being dependent on all the d

> your fist model will stink. you'll refine it and try again. and you'll keep doing that. unfotunatly, this mean your model ends up being dependent on all the data. this is exactly what the scientific community as a whole is always doing.