What is the roc curve?


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More Data Science Interview Questions

What is the difference between an analyst and a data scientist?

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A test has a true positive rate of 100% and a false-positive rate of 5%. There is a population with a 1/1000 rate of having the condition the test identifies. Considering a positive test, what is the probability of having that condition?

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Define a sql query? What is the difference between select and update query? How do you use sql in sas, python, r languages?

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

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Name various types of deep learning frameworks

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How would you add value to the company through your projects?

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What is the procedure to check the cumulative frequency distribution of any categorical variable?

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Explain how to write a table to a file?

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How do you treat colinearity?

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Explain data cleansing?

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What is the aim of a/b testing?

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How will you test that there is increased probability of a user to stay active after 6 months given that a user has more friends now?

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