What is the bias vs variance tradeoff?
Data Scientist Internship Interview Questions
40,340 data scientist internship interview questions shared by candidates
Hotel price prediction
Comment traitez-vous un problème de classification ou la classe à estimer n'est pas balanced (1% de 1 99% de 0 par exemple)
What are advantages and disadvantages of scheme that Booking.com uses and other booking services use.
What features would you need for predicting cars sales?
What are the differences between panel data and crosssectional data?
Si on vous comparez les résultats, vous utilisez quelle métriques ?
What is your faverable culture?
General HR questions: Tell me about your motivations for applying this position? How do you see yourself in 5 years. ...
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.
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