I have a strong intuition of knowing what needs to be done, but not always
Data Interview Questions
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How would you investigate a drop in user engagement
Code a data structure which allows us to store and retrieve items by key up to a fixed capacity. When we add items over capacity we free up space by removing an item first: 1) remove any expired item first 2) If there are no expired items, find the items with the lowest priority number, and remove the one which has been used least recently of them Optimise for time.
Give me a list of drivers with a day on day decrease in completed rides, i.e drivers whose total number of completed rides ytd is less than the number of completed rides the day before
SQL
how much have experinece in spark?
The interviewer will go through a data project and ask you question later
2 Sum
Business case
1.SQL where they test your SQL skill which I find easy to write. 2. Entry level question about google BigQuery. 3. A/B test result analysis(used online tool to answer the result calculation). 4. Question about a gateway page campaign data set to analyze the campaign performance. -What is A/A test? -How would you make the performance of gateway page better. and the most important question. do you really want to waste your time with this kind of company as i did?
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