Can you explain data munging or data wrangling?
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On rolling a dice if you get $1 per dot on the upturned face,what are your expected earnings from rolling a dice?
Explain how to define the number of clusters in a clustering algorithm?
what is prior probability and likelihood?
Explain principal components analysis with equations.
Explain the importance of 80/20 rule in model validation?
What are the feature vectors?
How does data cleaning plays a vital role in the analysis?
Can you provide an example of features extraction?
What makes the difference between “long” and “wide” format data?
What is nosql? Name some examples of nosql databases.
What exactly does a data scientist do?
What is supervised learning?