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How will you decide which version (Version 1 or Version 2) of the Surge Pricing Algorithms is working better for Uber ?
Uber,
374A building has 100 floors. Given 2 identical eggs, how can you use them to find the threshold floor? The egg will break from any particular floor above floor N, including floor N itself.
443You have 2 dices. What is the probability of getting at least one 4? Also find out the probability of getting at least one 4 if you have n dices.
503If we added one rider to the current SF market, how would that affect the existing riders and drivers?
Uber,
389How will you test that there is increased probability of a user to stay active after 6 months given that a user has more friends now?
531Post New Data Science Questions
What are outlier values and how do you treat them?
What is data science? How would you say it is similar or different to business analytics and business intelligence?
What is an example of a data set with a non-gaussian distribution?
What is back propagation?
What is advantage of using apply family of functions in r?
What is the jupyter center ?
How do you use lambda in python?
What devices or tools help you most as a data scientist?
What is the job of analytics?
You have two tables-the first table has data about the users and their friends, the second table has data about the users and the pages they have liked. Write an SQL query to make recommendations using pages that your friends liked. The query result should not recommend the pages that have already been liked by a user.
Why do you need a for loop? How do you do for loops in python and r?
Why do you want to work as a data scientist?
How can you compute an inverse matrix faster by playing with some computation tricks?
How to determine the number of clusters in k-means clustering algorithm?
Explain k-mean?
