Technical Question Bank · Peer-Reviewed

Job Interview Questions and Answers Directory

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Machine Learning Easy technical

Q1. What is overfitting and how do you prevent it?

Overfitting is when a model learns noise and idiosyncrasies of the training set instead of the underlying pattern. It performs well on training data but poorly on new dat...

1 Answer

Machine Learning Medium technical

Q2. What is regularization and how do L1 and L2 differ?

Regularization adds a penalty on model complexity to the loss, discouraging large weights and reducing overfitting. L2 (ridge) adds the sum of squared weights. It shrinks...

2 Answer