How to analyze the network on Facebook,
Data Science Manager Interview Questions
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How to identify close friends on social media?
Using a hypothetical schema from the portal product, identify the number of unique active users for a given country on a given day.
Q: Saying FB has only Comment and Like. How you would build an experiment to check if other emotions bottom can be added? (care, sad exc.). How you would build an A/B test?
SQL - joins, group by, date manipulation Business case - a mix of open ended questions framed like "how would you see if xyz is a good idea" and more specific questions about metric movements and experimentation
Ein renommierter streaming dienst verliert Kunden. Wie gehen Sie vor um das Problem zu lösen?
Tech Interview had 2 parts: 1.) 2 SQL questions very easy - based on a join of couple of tables and group by. 2.) Product sense: - What could go bad and good in 10% increase in clicks on Events via Facebook Search? - Having several backend external feeds like twitter, YouTube, etc., in Facebook search can cause what to go right and what to go wrong?
How can we tell if two users on Instagram are best friends?
In order to push existing users to refer their friends, we're running a special reward program, in which the user is given an instant $10 discount for posting a referral message as their Facebook status. The message looks something like this: "Check out this company Jerry.ai --they automatically checks if you’re paying the lowest price for insurance and they will also find the best quote for you. As a friend of mine, you can get $20 off your insurance purchase. Click here to get the $20 gift credit: jerry.ai " The user is given the option to post this message on his/her Facebook account during the purchase. Once they post this message, they instantly get the $10 discount on their purchase. In other words, we don't wait for any of their referred friends to actually signup with us before giving them the discount. We feel that doing this would make the users more likely to post the referral message. Assume that this reward program has been running for a couple of months, and we have some data collected in our database. We want to know if running this program has been a good idea or not, i.e., are we acquiring new customers with it, or are we just losing money by giving out $10 discounts. Assume that you have the following database tables: 'User' and Purchase' Table User id, name, referring_user_id Table Purchase id, user_id, date, total, discounts In the Purchase table, the 'total' field contains the dollar amount of the job. The 'discounts' field consists of the total discounts given for the appointment (including rewards, coupon redemptions, etc.). Therefore, the customer pays: 'total' - 'discounts' as their final bill. Given this data: 1) 'What' information would you derive from it, and 'how' will you derive it (you can give SQL queries, pseudo code, ... whatever you're comfortable with) 2) Using the information from Step 1), how would you make a recommendation on whether this rewards program should be continued or discontinued
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