How much are you willing to pay to play the following game? You start with $1. You flip a fair coin. If it lands on heads, you double your winnings and flip again. If it lands on tails, the game is over and you collect the money you've won. You continue playing until you land on tails.
Q: how to evaluate a classifier; how to select features
Tell me about a time when you solved a problem using your analytical problem solving skills.
Tell me about yourself?
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
Viewing 471 - 480 interview questions