Answer / Tirgun Kumar

In Python, a unit test using PyUnit (unittest) consists of creating a subclass of unittest.TestCase and defining methods for individual tests, each starting with 'test'. Tests are run by calling unittest.main().

Explain the goal of a/b testing?

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How do you overcome challenges to your findings?

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Write a program to segment a long string into a group of valid words using Dictionary. The result should return false if the string cannot be segmented. Also explain about the complexity of the devised solution.

1 Answers   LinkedIn,

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What are limitations of DBSCAN?

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What makes the difference between “long” and “wide” format data?

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What is a data science job?

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What does _init_.py do?

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Do we have different selection biases, if yes, what are they?

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Is it possible to perform logistic regression with Microsoft Excel?

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Explain the difference between bayesian estimate and maximum likelihood estimation (mle)?

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How do you take millions of users with 100's of transactions each, amongst 10000's of products and group the users together in a meaningful segments?

1 Answers   Apple,

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How is bagging different from boosting?

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