It makes sense when you ask the question another way: "What is the likelihood that a preexisting assemblage of data contains all the nuances for my specific pro

It makes sense when you ask the question another way: "What is the likelihood that a preexisting assemblage of data contains all the nuances for my specific process?" Some domains are intricately mapped in available data (e.g. equity pricing), but most, and especially most physical, are not (e.g. freight transportation).