What is column storage?


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More Data Science Interview Questions

Define the term deep learning?

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Explain about the box cox transformation in regression models?

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What are the various steps involved in an analytics project?

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You can roll a dice three times. You will be given $X where X is the highest roll you get. You can choose to stop rolling at any time (example, if you roll a 6 on the first roll, you can stop). What is your expected pay-out?

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Define a/b testing?

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Define cluster sampling?

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What is meant by selection bias?

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What is the difference between a bagged model and a boosted model?

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What is meant by logistic regression?

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Define a sql query? How do you use sql in sas, python, r languages?

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Which is the best suitable language among python and r for text analytics?

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In any 15-minute interval, there is a 20% probability that you will see at least one shooting star. What is the proba­bility that you see at least one shooting star in the period of an hour?

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