What is your 5 year plan?
Data Scientist Trainee Interview Questions
54,399 data scientist trainee interview questions shared by candidates
Most questions were scientific, and relatively easy to answer. Maybe the most difficult question was during the HR interview when I was asked how much I expected to make.
There were no difficult questions. I had two telephone interviews.
1. How do you use NN to reduce dimensionality? 2. Can you model time series as a linear regression model? 3. a) Can you use resampling methods like bagging to estimate the max of a population? b) Why is bagging a variance reduction scheme? 4. Why is the use of minibatch to minimize a function computationally more efficient than any other methods? 5.Gambler's ruin problem. 6. Assume that in a time series, some data are missing. How do you handle that? A. average out the existing values. Okay, so you want to average out the existing values, but how do you define the the new time series as a single function? A. Use characteristic or indicator function.
Why are you the best candidate for this position?
what is type 1 and type 2 error. What parameters needed for a T-test?
Machine Learning questions(logistic regression, cross-entropy loss derivation)
What is normalisation and why is it used for
Describe how to make priamary macrophages
General HR questions: Tell me about your motivations for applying this position? How do you see yourself in 5 years. ...
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