There are so many variables that can enter into this (thousands of possible combinations), that you have to work out the details with your particular set of conditions. SOME of the variables are: primer, powder, powder charge, case, bullet material, bullet shape, bullet weight, bullet velocity, barrel twist rate, seating depth, crimp, etc., etc..
The final judge of everything is group size on the target. I've seen guns or loads that should (theoretically) be awesome that didn't work, and guns with pitted barrel or other problems, or bullet shapes that shouldn't work, but they printed tight groups anyway. Everyone knows that a bumblebee can't fly, according to aerodynamic principles, but they didn't get the memo, so they do it anyway. So, there are basic proven guidelines, but many exceptions.