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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,
375A 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.
504If we added one rider to the current SF market, how would that affect the existing riders and drivers?
Uber,
391How 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
Do gradient descent methods always converge to the same point?
Can you explain supervised learning?
What are the types of biases that can occur during sampling?
How will you test a machine learning model for accuracy?
Define the unit test with PyUnit?
Define some key performance indicators for the product
Can you define power analysis?
Explain the difference between a test set and a validation set?
Which one would you prefer for text analytics python or r?
Explain recommender system?
What does _init_.py do?
why is data cleaning important for analysis?
What is the roc curve?
Which package is used to do data import in r and python? How do you do data import in sas?
What are feature vectors?
