Reference to rmoutliers() function

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Mehmet Fide 2024-2-2

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https://ww2.mathworks.cn/matlabcentral/answers/2077546-reference-to-rmoutliers-function

评论： Askic V 2024-2-2

Hi,

I use rmoutliers() function for my academic study.

This function implements 5 different methods:

"median", "mean", "quartiles", "grubbs", "gesd"

Is there any academic papers/book which explain how those methods work exactly?

Thank you.

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MarKf 2024-2-2

编辑：MarKf 2024-2-2

If you just need the explanation of what they are doing, the method section of the function's documentation is well informing. Maybe you want to look up what's Grubbs's test specifically tho. If you are looking for references to cite (like Grubbs, 1950, for Grubbs, F. E. (1950). Sample criteria for testing outlying observations. The Annals of Mathematical Statistics, 21(1), 27-58) I'd say an overview paper would do just fine (a quick google serch gave these 2 that look ok, they are also an interesting read to expand your knowledge, but maybe you can find better suited ones).

Mehmet Fide 2024-2-2

Thank you @MarKf for your reply. I have also found more information here: https://ch.mathworks.com/matlabcentral/fileexchange/134546-outlier-anomaly-detection-with-matlab

Thank you.

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Answer 1

Askic V 2024-2-2

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https://ww2.mathworks.cn/matlabcentral/answers/2077546-reference-to-rmoutliers-function#answer_1401861

编辑：Askic V 2024-2-2

Matlab has very powerful documentation.

Please have a look here:

https://www.mathworks.com/help/matlab/ref/rmoutliers.html

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Mehmet Fide 2024-2-2

Hi Askic,

The Matlab reference manual was the first place that I checked. I saw the explanations you pointed but they are not sufficient for my needs. For example why do they specify the c in median method like that?

I beleive that those methods are not invented by Matlab itself. Therefore I was expecting to see some reference to the methods at the bottom of the page like they do usually for other functions.

That is why I asked the question here.

Thank you.

Askic V 2024-2-2

Hello Mehmet, you can also check this: https://www.itl.nist.gov/div898/handbook/eda/section3/eda35h3.htm

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