What is data science?


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More Data Science Interview Questions

Explain data preparation?

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Why do you want to work as a data scientist?

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What is selection bias and why does it matter?

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Which is the standard data missing marker used in pandas?

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State some use cases where Hadoop MapReduce works well and where it does not.

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How would churn help predict and control churn for a customer?

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How would you do market basket analysis in r and python?

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What are generators in Python?

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What is a z test?

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What are the key elements of the statistical graphics?

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Explain the difference between a validation set and a test set?

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Explain why data cleansing is essential and which method you use to maintain clean data?

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