Image:HeightWeightExample.WrongConversion.Quadratic.Residuals.png

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Image:HeightWeightExample.WrongConversion.Quadratic.Residuals.png

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[edit] Summary

In Linear_regression the example data gives heights in metres, but the original values were inches, and the conversion was bungled. The plot of weight vs. height shows odd horizontal spacing, and the quadratic fitted to the data produces these residual values y(i) - f(x(i)).

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	Date/Time	Dimensions	User	Comment
current	23:10, 26 May 2008	465×282 (3 KB)	NickyMcLean (Talk \| contribs)	(In Linear_regression the example data gives heights in metres, but the original values were inches, and the conversion was bungled. The plot of weight vs. height shows odd horizontal spacing, and the quadratic fitted to the data produces these residua)