What functions are required to principal analysis in R?
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Can you define convex hull?
How do you check for data quality?
Differentiate between data modeling and database design?
Discuss linear regression?
Define a sql query? What is the difference between select and update query? How do you use sql in sas, python, r languages?
What is missing value imputation?
What will you do if removing missing values from a dataset cause bias?
Estimate the number of square feet pizza's eaten in US each year.
How often should an algorithm be updated?
Given 2 vectors, how will you generate a sorted vector?
Can you explain root cause analysis?
What prior knowledge is required to become data scientist?
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