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11.   Why deep learning models needs epochs for training?

Deep Learning Basics

Easy

Amazon Microsoft

12.   Explain Gradient Descent optimization approach.

Deep Learning Basics

Easy

Amazon Microsoft

13.   Do activation functions have to be zero centered?

Advanced Deep Learning

Medium

IBM

14.   What is overfitting? How to detect and avoid overfitting?

Machine Learning Basics

Easy

Amazon IBM Microsoft

15.   What is biased data? How to detect biasness in data?

Machine Learning Basics

Easy

IBM Deeplearning.ai

16.   What loss functions can be used for regression? Which one is better for outliers?

Machine Learning Basics

Medium

Amazon Microsoft

17.   What is the 0-1 loss function? Why can't the 0-1 loss function or classification error be used as a loss function for optimizing a deep neural network?

Machine Learning Basics, Deep Learning Basics

Easy

Amazon

18.   Explain K Nearest Neighbor classification Algorithm in detail? Implement KNN from scratch without using scikit-learn.

Machine Learning Basics, Deep Learning Basics

Medium

Amazon

19.   What is pooling? How does pooling help with Convolutional Neural Networks?

Deep Learning Basics, Computer Vision

Medium

Amazon

20.   What is Transfer Learning? In what cases using transfer learning can be helpful?

Deep Learning Basics, Computer Vision

Easy

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Data Science Interview Preparation

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