Data Mining Interview Questions

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Data Mining at Apple

Nov 11, 2011

“We do pre-screening on the data to remove fraud threats -- so how do we find a data sample that we can use to determine a real representation of fraud events.”

“Explain to us what is heterosketasticity and specifically how to solve it.”

Data Mining at Apple

Nov 11, 2011

“Essentially: We use naive bayes (although he didn't really set up the question), and sometimes the probabilities don't work out when there is no data in the area we are looking.”

“How would you design a recommendation system (like amazon)?”

1 of 1 found helpful

“Given the set a a b b a a c c b b of unknown length, write an algorithm that figures out which occurs most frequently and with the most continuous repetition.”

“give me an example of a scenario where you showed leadership skills and how you handled a problem”

“Yeah, a great question before they even could pronounce my name right: "Do you have any idea what this job is about?" Well, I instantly feel sorry for applying that crappy position.”

“How would you describe your leadership style?”

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