What is a jupyter notebook?
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How will you drop variables using indices in a data frame?
What would you do to summarize a Twitter feed?
What is data scientist?
Differentiate between data modeling and database design?
Why do you need a for loop? How do you do for loops in python and r?
You 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.
What is the central limit theorem?
Explain while working on a data set, how do you select important variables?
When underfitting occurs in a static model?
What do you understand by clustering?
Explain interpolation and extrapolation?
Suppose that American Express has 1 million card members along with their transaction details. They also have 10,000 restaurants and 1000 food coupons. Suggest a method which can be used to pass the food coupons to users given that some users have already received the food coupons so far.