i know this book is not for everybody but I really like the math approach here. software engineers don't like it when I say "data science has been around 500 y

i know this book is not for everybody but I really like the math approach here. software engineers don't like it when I say "data science has been around 500 years since Kepler and Newton" here they illustrate a nice connection between large deviations and convex geometry - and have beautiful pictures. so what are examples of high dimensional vector spaces? the set of all your customers (hopefully in the thousands!!) and the vectors include all of their transactions. there are many other examples