Define a sql query? How do you use sql in sas, python, r languages?
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Python or R is better for data science?
What is chi square test?
Why do you need a for loop? How do you do for loops in python and r?
What is the jupyter center ?
Which companies participating in Insight would you be interested in working for?
How to solve multi-collinearity?
What is the correlation in r?
How will you explain JOIN function in SQL to a 10 year old ?
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Can you define data discretization?
What is need of principal component analysis?
What do you understand by the term data science?