Have you used sampling? What are the various types of sampling have you worked with?
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What makes scientific data?
What is nosql? Name some examples of nosql databases.
What is churn?
What are limitations of DBSCAN?
What is the difference between kmeans clustering and hierarchical clustering?
What is meant by sampling? Explain some sampling methods that you know?
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?
How will you explain JOIN function in SQL to a 10 year old ?
What is Survival Analysis?
What is a z test?
What is a data science job?
How can you assess a good logistic model?
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