What is the importance of data cleaning in analysis?
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What is logistic regression in data science?
What education is required for data science role?
What is logistic and linear regression? How do you treat multicollinearity and heteroscedasticity in regression? Name some packages in r and python for building regression models.
How is true positive rate and recall related?
Explain while working on a data set, how do you select important variables?
Why is data munging useful?
What is an example of a data set with a non-gaussian distribution?
You can roll a dice three times. You will be given $X where X is the highest roll you get. You can choose to stop rolling at any time (example, if you roll a 6 on the first roll, you can stop). What is your expected pay-out?
What is churn? How would it help predict and control churn for a customer?
What is the importance of having a selection bias?
What does sas stand out to be the best over other data analytics tools?
Define a sql query? How do you use sql in sas, python, r languages?
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