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Originally Posted by Huddle
I'm very patient. Let's try this one more time.
There is one logical argument only: You cannot claim that your statistic is a measurement of a player's performance when that statistic is a combined measurement of the player's performance and other significant factors (You cannot measure A,B,C,D,E together and rely on it as a measurement of A).
The evidence of its unreliability is in the sharp rise and fall of of the stats of many players when they change teams or when a new coach uses them differently in their scheme.
That's it.
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again, have you taken algebra?
X + Y + Z = 6
2X + Y + Z = 9
X = 3
the more data you have and the more equations you have the better able you are to judge the individual factors and figure out their roles in said equations.