What is clustering? What is the difference between kmeans clustering and hierarchical clustering?
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Explain p-value?
During analysis, how do you treat missing values?
Can you explain data preparation?
Define a/b testing?
Explain the difference between bayesian estimate and maximum likelihood estimation (mle)?
What are the roles and responsibilities of a data scientist?
How can you measure engagement with given Twitter data?
How do you build a custom function in python or r?
Python is enough for data science ?
Which one you prefer R or Python for text analytics?
You own a clothing enterprise and want to improve your place in the market. How will you do it from the ground level ?
Will Uber cause city congestion?