How to get T-Test Score for feature ranking?

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Sagi Rathna Prasad
Sagi Rathna Prasad 2019 年 5 月 30 日
回答済み: Xiaoxing Wang 2021 年 2 月 16 日
In diagnosticFeatureDesigner app there is ranking method called T-Test.
I have used T-Test for my data and found its sore directly. However, I would like to know the formula thorugh which it calculated the T-Test Score.
Kindly, help me
Thank you in advane

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Xiaoxing Wang
Xiaoxing Wang 2021 年 2 月 16 日
For two groups, Diagnostic Feature Designer App. uses ttest2 with min-max normalized inputs.
If you have R2020a and later, you can generate MATLAB code from the app and find the necessary information.
Another hidden hint is concealed in 'See Also' on the link below.
https://www.mathworks.com/help/predmaint/gs/rank-and-export-features-in-diagnostic-feature-designer.html

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