What is the job description for a data scientist?


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More Data Science Interview Questions

You are given two tables- friend_request and request_accepted. Friend_request contains requester_id, time and sent_to_id and request_accepted table contains time, acceptor_id and requestor_id. How will you determine the overall acceptance rate of requests?

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Why we need ggplot?

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What is the probability of getting a HTT combination before getting a TTH combination?

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Why data cleaning plays a vital role in the analysis?

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What do you understand by confusion matrix?

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Name three disadvantages of using a linear model?

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What is column storage?

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What are decorators in Python?

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Can you define convex hull?

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What cross validation technique would you use on time series data set? Is it k-fold or loocv?

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What is the advantage of performing dimensionality reduction before fitting an svm?

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What is the common perception of visualization?

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