File:HeightWeightExample.CorrectConversion.Cubic.Residuals.png
HeightWeightExample.CorrectConversion.Cubic.Residuals.png (466 × 285 pixels, file size: 3 KB, MIME type: image/png)
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Summary
editDescriptionHeightWeightExample.CorrectConversion.Cubic.Residuals.png |
English: In Linear regression the example data gives heights in metres, but the original values were inches, and the conversion was bungled. Converting back to the original inches then converting correctly to metric removes the odd horizontal spacing. Scrutiny of the residuals from the resulting new quadric fit suggests a cubic curve, so why not try a cubic fit? These residuals result: y(i) - f(x(i)) |
Date | 26 May 2008 (original upload date) |
Source | Own work by the original uploader |
Author | User:NickyMcLean |
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Original upload log
editTransferred from en.wikipedia to Commons using For the Common Good.
Date/Time | Dimensions | User | Comment |
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23:26, 26 May 2008 | 466 × 285 (2,952 bytes) | w:en:NickyMcLean (talk | contribs) | In Linear_regression the example data gives heights in metres, but the original values were inches, and the conversion was bungled. Converting back to the original inches then converting correctly to metric removes the odd horizontal spacing. Scrutiny of |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 22:59, 6 April 2017 | ![]() | 466 × 285 (3 KB) | Clpo13 (talk | contribs) | Transferred from en.wikipedia: see original upload log above |
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Horizontal resolution | 37.8 dpc |
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Vertical resolution | 37.8 dpc |
File change date and time | 23:23, 26 May 2008 |
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