What are the time series algorithms?
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Please explain the role of data cleaning in data analysis.
Define boltzmann machine
What do you understand by the job description of data scientist?
What is the degree of freedom for lasso?
Define the unit test with PyUnit?
Explain how to merge data frames in R?
What are an eigenvalue and eigenvector?
What is data science with example?
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?
A certain couple tells you that they have two children, at least one of whom is a girl. What is the probability that they have two girls?
Write a program to segment a long string into a group of valid words using Dictionary. The result should return false if the string cannot be segmented. Also explain about the complexity of the devised solution.
What is a recommender system?