Machine Learning

4

DavidBegginer

Asked: May 29, 2025In: Machine Learning

I trained my model, but it's performing too well on validation — could this be data leakage? How do I check for that?

4

I’m seeing 98–99% accuracy on my validation set, but when I test on truly unseen data, the performance drops significantly. Suspecting some leakage but not sure where it’s happening

6

MayaBegginer

Asked: May 31, 2025In: Machine Learning

Please tell me your approach for feature selection in your machine learning projects?

6

Selecting the right features is key to model success. Discuss your process for identifying and selecting impactful features.

4

lukeBegginer

Asked: May 31, 2025In: Machine Learning

I'm dealing with an imbalanced dataset. What methods have you used to address this issue?

4

Imbalanced datasets can skew model performance. Share techniques like resampling or using different evaluation metrics that have worked for you.

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