Residual
The residual is the sum of deviations from a best-fit curve of arbitrary form.
| R=sum[y_i-f(x_i,a_1,...,a_n)]^2. |
The residual should not be confused with the correlation coefficient.
See also
Residual Set, Residual vs. Predictor PlotExplore with Wolfram|Alpha
WolframAlpha
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Cite this as:
Weisstein, Eric W. "Residual." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/Residual.html