What is collaborative filtering in data science?
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Compare sas, r, python, perl?
Can you explain eigenvalue and eigenvector?
What are Random Forests?
What is meant by selection bias?
How to choose the right chart in case of creating a viz?
Python or R is better for data science?
What motivates you to transition from academia to data science?
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?
What is the salary for a data scientist?
Explain supervised learning?
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.
Why do you want to work at this company as a data scientist?
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