What is cart and chaid? How is bagging different from boosting?
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State the difference between the expected value and mean value?
Name some kinds of graphs and explain how you would build them in python or r.
What prior subject is required to become data analyst?
How do you treat multicollinearity and heteroscedasticity in regression?
What does the future hold for data scientists?
Explain the difference between a validation set and a test set?
Do you need a teacher to be a scientist?
What is t test?
What is market basket analysis?
What do you understand by l1 and l2 regularization methods?
How is true positive rate and recall related?
Can you explain difference between data modeling and database design?