The ratio of a measure of the size of a "fit" to the size of a "residual."
Clarity
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References
Tukey, J. W. Exploratory Data Analysis. Reading, MA: Addison-Wesley, p. 667, 1977.Referenced on Wolfram|Alpha
ClarityCite this as:
Weisstein, Eric W. "Clarity." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Clarity.html