What are the types of biases that can occur during sampling?
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What do you understand by the selection bias? What are its various types?
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?
How is random forests different from decision trees?
What do you understand by parametric and non-parametric methods? Explain with examples.
What are generators in Python?
What is column storage? What is a document database?
A test has a true positive rate of 100% and a false-positive rate of 5%. There is a population with a 1/1000 rate of having the condition the test identifies. Considering a positive test, what is the probability of having that condition?
What are Random Forests?
What are apis used for?
What is a recall?
What approach will you follow to develop the love,like, sad feature on Facebook?
Why data cleaning plays a vital role in the analysis?
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