I have a string “contact@dezyre.com”. Which string function can be used to split the string into two different strings “contact@dezyre” and “com” ?

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

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Explain while working on a data set, how do you select important variables?

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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?

0 Answers   Facebook,

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What is cart and chaid?

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Can you explain data munging or data wrangling?

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Among python and r, which one is generally preferred for text analytics?

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Define standard deviation, mean, mode and median.

0 Answers   Mu Sigma,

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Explain the term binomial probability formula?

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Can you cite some examples where both false positive and false negatives are equally important?

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

0 Answers   Mu Sigma,

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What is the supervised learning?

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