File:OLS example weight vs height residuals.svg
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Size of this PNG preview of this SVG file: 360 × 203 pixels. Other resolutions: 320 × 180 pixels | 640 × 361 pixels | 1,024 × 577 pixels | 1,280 × 722 pixels | 2,560 × 1,444 pixels.
Original file (SVG file, nominally 360 × 203 pixels, file size: 14 KB)
Summary
| Description |
English: Example of OLS regression, avg weight regressed on height in population of american women; this graph shows the residuals of the regression. |
| Date | |
| Source | Own work |
| Author | Stpasha |
Source code (Mathematica)
H = {1.47, 1.50, 1.52, 1.55, 1.57, 1.60, 1.63, 1.65, 1.68, 1.70, 1.73, 1.75, 1.78, 1.80, 1.83};
W = {52.21, 53.12, 54.48, 55.84, 57.20, 58.57, 59.93, 61.29, 63.11, 64.47, 66.28, 68.10, 69.92, 72.19, 74.46};
fitted[h_] := 128.8128 - 143.1620 h + 61.9603 h^2;
ListLinePlot[Table[{H[[i]], W[[i]] - fitted[H[[i]]]}, {i, 1, 15}],
PlotStyle -> {PointSize[0.02], Thickness[0.005]},
Mesh -> All,
Filling -> Axis,
AxesOrigin -> {1.45, 0},
PlotRange -> {{1.45, 1.85}, {-0.5, 0.5}},
AxesStyle -> Directive[FontFamily->"Helvetica", 14, Thickness->0.003]
]
Export["wh-residuals.svg", %]
Licensing
|
I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:22, 6 July 2009 | | 360 × 203 (14 KB) | wikimediacommons>Stpasha | corrected scale |
File usage
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