Tell me more about your previous experience? Did you work as data scientist? How many years of work experience you have ? About masters degree? where are you graduating from? do you need H1B in future
Data Scientist Interview Questions
33,440 data scientist interview questions shared by candidates
If you're trying to predict the gender of your customers and you only have 100 data points, what are possible problems?
What is the difference between bagging and boosting algorithms
What would I estimate as metrics for ab test ?
Say you notice a surge in average activity among users but the number of users is down, how would you explain this?
If you implement a new feature to FB how would you measure the success
How do you measure newsfeed health?
Two tables: User actions: date|sessio_id|userid|event session details: date|Sessionid|timespent_Sec|userid 1. Identify avg time spent per user per day 2. Create a histogram of duration on x axis, no of users on y axis which is populated by volume in each bucket Product questions: 1. Wants to add a new banner on FB Market place which suggests to sell something on facebook , should they do it, what should be done to evaluate it ? 2. Market place transactions happen through messages - these messages went down by 10% in a month, should they be worried ? How would you go about analyzing it?
The SQL question was quite easy. Given a table with detailed customer complaint tickets of different types, calculate the share of processed tickets within each type.
Given a string like 'abc', print out all the strings of combination of the same length as the original string. Like 'abc', 'acb', 'bca', 'bac', 'cab', 'cba'
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