search optimization, functional programming, NLP
Sr Data Scientist Interview Questions
3,424 sr data scientist interview questions shared by candidates
I have mentioned them above.
write a function that is being fed 2 arrays and outputs the root mean squared error for them.
Tell me about yourself?
How do you think DH makes money?
- what is collinearity? what is the difference between bagging and boosting?
Q: Definir c'est quoi overfitting?
Questions during interview: 1- Say you do on-line ads for two different companies, EasyJet and Mercedes. How would you present your results to the board and prove them you did not waste any money? 2- Another question that involves some economic thinking about why profits go down etc. in the on-line ad business. I recommend you review concepts such as Click-Through Rate, Conversion Rate and the auction mechanisms in on-line marketing etc. 3- After Facebook users pass away, their profile pages remain. So today we have some dead users and some users that are still alive. Will the number of dead people ever equal that of the ones that are alive? When will that happen? How would you calculate it?
Do you have experience leading a team?
Give a few recent examples of recent completed projects you proud about, explain challenges and how you dealt with them.
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