Explain data preparation?
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How many people are using Facebook in California at 1.30 PM on Monday?
Explain the difference between data modeling and database design?
Why do you want to work as a data scientist?
Do you have some knowledge of R - analyse a given dataset in R?
What is the importance of data cleaning in analysis?
You own a clothing enterprise and want to improve your place in the market. How will you do it from the ground level ?
Can you define data reduction?
What is linear optimization?
Which language is best for text analytics? R or python?
Explain data munging or data wrangling?
What are outlier values and how do you treat them?
What are the applications of data science?
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