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How do you treat multicollinearity and heteroscedasticity in regression?
What is logistic and linear regression? How do you treat multicollinearity and heteroscedasticity in regression?
What is an api?
What is nosql? Name some examples of nosql databases.
How do you build a custom function in python or r?
What is missing value imputation?
Define a sql query? What is the difference between select and update query? How do you use sql in sas, python, r languages?
How do you check for data quality?
What is advantage of using apply family of functions in r? How do you use lambda in python?
What is column storage? What is a document database?
What is association analysis? Where is it used?
How do you use goal seek in excel?
What is chi square test?
What is churn?
Where is association analysis used?
