What do you understand by l1 and l2 regularization methods?
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How do you do data import in sas?
Can you explain k-mean?
How do you treat multicollinearity and heteroscedasticity in regression?
What is nosql? Name some examples of nosql databases.
What do you understand by the selection bias? What are its various types?
You are given a training dataset of users that contain their demographic details, the pages on Facebook they have liked so far and results of psychology test based on their personality i.e. their openness to like FB pages or not. How will you predict the age, gender and other demographics of unseen data?
Count the total number of trees in United States.
How can the outlier values be treated?
Explain the method to collect and analyze data to use social media to predict the weather condition?
Can you define linear regression?
Can you explain the difference between a validation set and a test set?
How is bagging different from boosting?