OP,
Even though you are well intentioned, an ill fated exercise.
First, people's judgement about groupsets is largely qualitative...i.e. subjective....amalgam of a number of factors...ergos, shift quality, appearance, weight...even sound. You either have to isolate these or prioritize them. This sort of parametric analysis can get muddy fast.

Also, you don't speak to specific models. 2013/2014 is a new world for Sram and Shimano. Major improvements with revised Red and Ultegra/DA that leaves previous versions in the dust. Nobody can say that Super Record is better than new DA 9000 which is excellent....or even latest Red.

Good news is, all of the new stuff has made making a buying decision difficult or easy because its all so good. Not the case even a year ago.
So either distill your study to a given factor...say easiest is weight....or ride what you like or what came on the bike you like.