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Residual

The residual is the sum of deviations from a best-fit curve of arbitrary form.

\begin{displaymath}
R \equiv \sum [y_i-f(x_i,a_1,\ldots,a_n)]^2.
\end{displaymath}

The residual should not be confused with the Correlation Coefficient.




© 1996-9 Eric W. Weisstein
1999-05-25