How do you handle missing values in python or r?
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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.
How will you design the heatmap for Uber drivers to provide recommendation on where to wait for passengers? How would you approach this?
Explain data munging?
What is systematic sampling?
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What are the various types of selection bias?
List the differences between supervised and unsupervised learning.
Define the term deep learning?
What is the roc curve?
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Explain the structure of artificial neural networks?
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