[GSK-3948] Add numerical perturbation detector

[henchaves]

Description

This PR adds the numerical perturbation detector feature to robustness detector. This PR is still a work in progress.

The detector will perturb the values by 1 percent and then check for errors in classification mode and for regression the model flags any error which is 5% away from the real value. This could be made so that the user can adjust these percentages but for now this is fixed. Review needed on this.

Disclaimer: This is a new PR replacing #2040, which was opened and implemented by @Kranium2002.

Related Issue

#1846

Type of Change

• 📚 Examples / docs / tutorials / dependencies update
• 🔧 Bug fix (non-breaking change which fixes an issue)
• 🥂 Improvement (non-breaking change which improves an existing feature)
• 🚀 New feature (non-breaking change which adds functionality)
• 💥 Breaking change (fix or feature that would cause existing functionality to change)
• 🔐 Security fix

[linear]

GSK-3948 Add numerical perturbation detector

[henchaves]

Hey @Kranium2002, I closed the old PR (#2040) and opened this new one because I was not being able to format the files

[Kranium2002]

Hey, does this PR need anything else from my side?

[henchaves]

Hey, does this PR need anything else from my side?

Hi @Kranium2002,
I did a lot of refactoring on your original code, so if you want to have a look it would be good!
I pinged our team again to see if a third person is available for reviewing it.

[sonarqubecloud]

Quality Gate passed

Issues
1 New issue
0 Accepted issues

Measures
0 Security Hotspots
89.3% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[henchaves]

Thanks a lot for your contribution @Kranium2002! The PR is now merged to main and the new detector will be available already in the next giskard release.