How to reduce number of variables in Logistic regression and random forest?
Data Scientist Interview Questions
Data Scientist Interview Questions
Lors d’un entretien pour le poste de data scientist, les employeurs vont poser des questions leur permettant d’évaluer vos compétences en modélisation des données, résolution des problèmes et programmation. Soyez préparé à répondre à des questions générales testant vos connaissances en statistiques et en science des données. Vous devez également être prêt à répondre à des questions ouvertes permettant de tester votre créativité, vos compétences en communication et votre éducation formelle en modélisation des données et en programmation.
Questions d'entretien d'embauche fréquentes pour un data scientist (H/F) et comment y répondre
Question 1 : Quelles techniques de modélisation des données préférez-vous et pourquoi ?
Question 2 : Comment détectez-vous les faux comptes Instagram utilisés pour escroquer les clients ?
Question 3 : Décrivez des situations qui requièrent une liste, un uplet ou un ensemble sur Python.
54,222 data scientist interview questions shared by candidates
They asked a lot of questions about my take-home project; in particular wanted to know about the reasons that I took the approach that I did. I could tell they were coming more from a statistical and economics background for the most part; while I'm more of an engineering and machine-learning hacker type standpoint. They also had a lot of "ambiguous" questions; by that, I mean questions about ambiguous business situations I might encounter in this position. Wanted to know how well I would do with ambiguous questions I might get from business leaders.
Tell me more about your previous experience? Did you work as data scientist? How many years of work experience you have ? About masters degree? where are you graduating from? do you need H1B in future
If you're trying to predict the gender of your customers and you only have 100 data points, what are possible problems?
Q: Tell us your greatest achievements
what are some of your strengths and weaknesses
What is the difference between bagging and boosting algorithms
What would I estimate as metrics for ab test ?
Say you notice a surge in average activity among users but the number of users is down, how would you explain this?
If you implement a new feature to FB how would you measure the success
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