What is the difference between cluster and systematic sampling?
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Implementing pow function
What do you understand by type I vs type ii error?
Explain about the various time series forecasting technqiues.
What is logistic and linear regression? How do you treat multicollinearity and heteroscedasticity in regression?
How do you take millions of users with 100's of transactions each, amongst 10000's of products and group the users together in a meaningful segments?
Name the packages that are based on density based on the algorithm?
What are big data and data science?
A building has 100 floors. Given 2 identical eggs, how can you use them to find the threshold floor? The egg will break from any particular floor above floor N, including floor N itself.
How has your prior experience prepared you for a role in data science?
Can you define power analysis?
What prior subject is required to become data analyst?
How can you assess a good logistic model?