How will you overcome overfitting in predictive models?


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More Data Science Interview Questions

Suppose that American Express has 1 million card members along with their transaction details. They also have 10,000 restaurants and 1000 food coupons. Suggest a method which can be used to pass the food coupons to users given that some users have already received the food coupons so far.

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How does data cleaning plays a vital role in analysis?

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Explain unsupervised learning?

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What are the different deep learning frameworks?

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Write the formula to calculate r-square?

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Describe the data analysis process.

0 Answers   Google,


What is need of principal component analysis?

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What is normal distribution

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Can you define convex hull?

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What do you understand by l1 and l2 regularization methods?

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Explain recommender systems?

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Explain while working on a data set, how do you select important variables?

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