Feature selection Matlab R2022a classification learner app

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aikaterini vraka
aikaterini vraka 2023-3-13
评论： aikaterini vraka 2023-3-16
I have currently updated my Matlab version to R2022a. While using the Classification Learner app, I am trying to perform feature selection by keeping the most important features. Nevertheless, when I click on the Feature selection option in the Options tab, it does not pop up. When I try to opt for feature selection from the Summary of the model, I get the following error
Any idea on why I can't open the Feature selection window or how else could I perform feature selection without manually selecting and deselecting each and every feature?
Thanks in advance!

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回答（1 个）

Drew
Drew 2023-3-15
Two thoughts:
(1) I recommend to try the same task (feature selection within the classificaiton learner app) on the latest MATLAB version. One way to do that easily is to try your task on MATLAB online at matlab.mathworks.com.
(2) To examine your use-case in more detail, please share enough data to reproduce the problem, and provide info from the 'version' command on your system. For example, when I start MATLAB online today and run the version command, I see the following.
>> version
ans =
'9.13.0.2182233 (R2022b) Update 4'
If this answer helps you, please remember to accept the answer.
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aikaterini vraka
aikaterini vraka 2023-3-16
Thank you for the answer. My version is
'9.12.0.1884302 (R2022a)'
Finally the problem was found in the path. After removing all files on path the app worked properly.

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