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Has anyone ever applied cook's distance method on fisheriris/wine/glass or similar datasets for outlier detection? Did it work? How?

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Divyashree
Divyashree 2018-5-2
关闭： MATLAB Answer Bot 2021-8-20
load fisheriris; X = double(meas(:, 2:4)); y = meas(:,1); mdl = fitlm(X,y); k=mdl.Diagnostics.CooksDistance; find((mdl.Diagnostics.CooksDistance)>3*mean(mdl.Diagnostics.CooksDistance));
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William Mueller
William Mueller 2018-5-18
There’s an application in econometrics here:
https://www.mathworks.com/help/econ/examples/time-series-regression-iii-influential-observations.html

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Bernhard Suhm
Bernhard Suhm 2018-5-18
You can find an example for using Cook's (and related) distances to pick out unusual years in the financial history here. Not sure how much that'll help you with your project.

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