How to get T-Test Score for feature ranking?

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

Answer 1

[Xiaoxing Wang]

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