Explain how to define the number of clusters in a clustering algorithm?
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You are given two tables- friend_request and request_accepted. Friend_request contains requester_id, time and sent_to_id and request_accepted table contains time, acceptor_id and requestor_id. How will you determine the overall acceptance rate of requests?
Implementing pow function
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.
What are the different performance metrics for evaluating Uber services?
What are the principal components?
Can you compare the validation set with the test set?
What is the jupyter center ?
Write a function to check whether a particular word is a palindrome or not.
What is the basic responsibility of a data scientist?
A certain couple tells you that they have two children, at least one of which is a girl. What is the probability that they have two girls?
What do you understand by the term data science?
What is association analysis? Where is it used?
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