What is the difference between XGBoost and LightGBM?
Senior Data Scientist Interview Questions
3,513 senior data scientist interview questions shared by candidates
The questions were specific to my background: Describe when you’d use a linear mixed effects model and the assumptions behind it.
The questions were either very unrelated, poorly constructed, or lacked a proper foundation.
Comment feriez-vous pour optimiser les promotions en magasin sur l'ensemble des réseaux de distribution ?
What would make you feel happy after a day of work.
What do you know about our company and the role you're interviewing for?
How would your experience make you a suitable candidate for this role?
What is a confounding variable? How do you interpret a hazard ratio? What type of analysis could you do with repeated measures? How would you select appropriate covariates for a study? What is the biggest contribution that real-world data can make in the next five years? What are some issues with using 'psychotherapy' as an outcome variable?
Why do you change job?
What do you do in your current role?
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