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What do you understand by the job description of data scientist?
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Which is the standard data missing marker used in pandas?
You have two tables-the first table has data about the users and their friends, the second table has data about the users and the pages they have liked. Write an SQL query to make recommendations using pages that your friends liked. The query result should not recommend the pages that have already been liked by a user.
What cross validation technique would you use on time series data set? Is it k-fold or loocv?
What will you do if removing missing values from a dataset cause bias?
Define an algorithm to discover when a person is starting to search for new job.
Why we need ggplot?
Why are generators used in Python?
Differentiate between data modeling and database design?
How regularly must an algorithm be updated?
You created a predictive model of a quantitative outcome variable using multiple regressions. What are the steps you would follow to validate the model?
What is f test?
How can you deal with different types of seasonality in time series modelling?
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