Question
What are some differences you would expect in a model that minimizes squared error, versus a model that minimizes absolute error? In which cases would each error metric be appropriate?
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55 years 0 Answers 583 views Great Grand Master

Question
Given a die, would it be more likely to get a single 6 in six rolls, at least two 6s in twelve rolls, or at least one-hundred 6s in six-hundred rolls? (Hint- Support your answer with proper reasoning)
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55 years 1 Answer 688 views Great Grand Master

Question
Suppose that you have table Employee with a column EName which contain Records Employee name(EName) as  A,B,A,A,B,D,C,M,A, Write a query that will change/Swap the EName A to B and B to A.
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55 years 3 Answers 1329 views Great Grand Master

Question
Say you have two subsets of a dataset for which you know their means and standard deviations. How do you calculate the blended mean and standard deviation of the total dataset? Can you extend it to K subsets?
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55 years 1 Answer 1610 views Great Grand Master