Explain the difference between an analyst and a data scientist?
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Can you explain k-mean?
How do you treat colinearity?
What is an rdbms? Name some examples for rdbms? What is crud?
What makes the difference between “long” and “wide” format data?
What is bias – variance tradeoff?
You own a clothing enterprise and want to improve your place in the market. How will you do it from the ground level ?
What is the 80/20 rule?
Can you cite some examples where a false positive is important than a false negative?
How to understand the problems faced during data analysis?
Define analytics?
What assumptions does linear regression machine learning algorithm make?
what the aim of conducting a/b testing?