Tell me about a time when you solved a problem using your analytical problem solving skills.
Data Science Consulting Interview Questions
40,253 data science consulting interview questions shared by candidates
Find customer sales timeseries whose moving averages have positive slope, except the average should only be over two days, and the lead day changes, and actually it should be (customer, day) pairs, or triples with total sales, we're not sure actually what we want but it's definitely a very complicated SQL query. No. More complicated. What do you mean "use pandas?" Pandas and SQL are the same thing. SQL is column-oriented. I've never heard of KDB. That's something you made up.
How to prevent over-fitting?
Explain a probability distribution that is not normal and how to apply that.
Las DS project
What are the assumptions of linear regression?
Review the resume, nothing special
Read 4 questions in a Coderpad and solve them with SQL in under 20 minutes
Motivation, Statistik, Maschinelles Lernen, Fallstudie
They asked a lot of questions about my take-home project; in particular wanted to know about the reasons that I took the approach that I did. I could tell they were coming more from a statistical and economics background for the most part; while I'm more of an engineering and machine-learning hacker type standpoint. They also had a lot of "ambiguous" questions; by that, I mean questions about ambiguous business situations I might encounter in this position. Wanted to know how well I would do with ambiguous questions I might get from business leaders.
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