Athletes are human beings not data sets
Athletes are highly complex individuals with a multitude of factors that can effect their performance, the majority of these are away from the team facility or training ground. Hence athletes must be analysed individually and as many factors as possible must be considered to maximise performance.
What we know is this; the human body is highly intricate, so while you can analyse things separately , you have to put things back together collectively, in a human way the human body and mind are directly connected.