What is the importance of having a selection bias?
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Why is resampling done?
Could you draw a comparison between overfitting and underfitting?
Please explain eigenvectors and eigenvalues?
Name some kinds of graphs and explain how you would build them in python or r.
Which one you prefer R or Python for text analytics?
What are the metrics you will use to track if Uber's paid advertising strategies to acquire customers work? How will you figure out the acceptable cost of customer acquisition?
Why we need ggplot?
What is correlation in R?
What are apis used for?
During analysis, how do you treat missing values?
What is bias – variance tradeoff?
Can you explain recommender system?