I think with Numpy and Pandas getting the average of 90 rows wouldn't be too hard. With R it's insanely easy: mean(data[9:99,]). I'll admit Excel is a easier fo

I think with Numpy and Pandas getting the average of 90 rows wouldn't be too hard. With R it's insanely easy: mean(data[9:99,]). I'll admit Excel is a easier for the average joe to get started with but there's a lot of downsides like it being relatively difficult to figure out WTF a sheet is doing at a glance.