QUESTION 21 OF 30

Can you describe some of the steps you take to ensure that a regression model fits the data?

This is an example of a technical question. As a data scientist, you can anticipate that most of the questions you will be asked during a job interview with Doordash will be technical. Technical questions should be answered succinctly and directly, with no embellishment. You should also anticipate that the interviewer will ask follow-up questions to learn more about the topic or clarify your answer.

"One of the key steps I take to ensure that the regression model fits the data is employing the R-squared methodology. This addresses the relative measure of fit. Another is to use the F1 score to evaluate the null hypothesis. One last methodology is a root-mean-square error, or RMSE, which provides the absolute measure of fit."

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DoorDash Data Scientist Mock Interview

Can you describe some of the steps you take to ensure that a regression model fits the data?

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