How do data scientists code in r?
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When do you need to update the algorithm in data science?
Write a function that takes in two sorted lists and outputs a sorted list that is their union?
How do data scientists use statistics?
Is it possible to perform logistic regression with Microsoft Excel?
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?
Can you enumerate the various differences between supervised and unsupervised learning?
What is the degree of freedom for lasso?
What is root Linear Regression analysis?
What are feature vectors?
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.
Can you define linear regression?
How is true positive rate and recall related? Write the equation.
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