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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,
376A 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.
507If 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
What skills are required for data analytics roles?
What packages are used for data mining in python and r?
What do you understand by bias, variance trade-off?
Explain the differences between univariate, bivariate and multivariate analysis?
What is the role of the activation function?
Write the code to sort an array in numpy by the nth column?
How do you take millions of users with 100's of transactions each, amongst 10000's of products and group the users together in a meaningful segments?
Explain the role of activation function?
What are the variants of back propagation?
How to create survival object in R?
What are the types of business decisions?
Explain data munging?
What is the difference between select and update query?
Among python and r, which one is generally preferred for text analytics?
Explain the difference between overfitting and underfitting?
