LogFAQs > #965333147

Sahuagin posted...

I think part of the problem is that the in-betweens are not defined. they could slope in all kinds of ways (possibly infinite ways).

it looks like there are sites that can do this for you. eg: mycurvefit.com

it seems like it's possible to do this linearly, and the resulting formula is y = (x - 1) / 6

I'm not sure if you have something backwards though saying that 1 = 0% chance of success but 2 = 83% chance of success. it makes more sense if 2 is an 83% chance of failure, and then 1 = 0 still fits linearly.

(1 - 1) / 6 = 0/6 = 0
(2 - 1) / 6 = 1/6 = 0.166...
(3 - 1) / 6 = 2/6 = 0.33...
(4 - 1) / 6 = 3/6 = 0.5
(5 - 1) / 6 = 4/6 = 0.66...
(6 - 1) / 6 = 5/6 = 0.833...

even if you have something slightly different in mind this is probably a good enough start that you could modify it as needed. the key thing here I think is that all of the %s are just x/6 values.

(unless you're looking for this in terms of S and T...?)

Basically, I wanna take the basic warhammer 40k math and make it, like, so you have stats...

ya, i just wanted to make sure something with decimals worked out... using y = (x-1)/6 then if a 4.2 were rolled it would have a success rate of 0.5333, which is in line with what I was trying to figure

...

yaknow when I was back in school I coulda done stuff like this in my sleep :<