Data Analyst

How do you aggregate values by a single field and metric in Pandas?

How to filter a DataFrame by a single condition?

Do you have experience conducting A/B tests or self-studying this topic?

What do you pay attention to when choosing a new workplace? What is important to you, including working conditions?

How do you connect to a database using Python?

What tasks would interest you at a new job?

Have you used ranking window functions in your work? If yes, which ones?

Are you currently actively or passively looking for a job? What is unsatisfactory at your current job?

How to add a calculated field to a DataFrame based on an existing field?

What main tasks do you perform in MPStats and what stack do you work with?

What is the main difference between window functions and aggregate functions with GROUP BY?

What are table indexes in databases used for?

Tell us about your team: how many people are in it and what specialists are included?

Will you be able to work according to Moscow time, starting at 8, 9, or 10 in the morning?

Do you already have offers or final interview stages?

В чем разница между оконными функциями ROW_NUMBER, RANK и DENSE_RANK?

В чем отличие HAVING от WHERE?