What is A/B testing? How to apply it in the context of model comparison?
Intern
183
Machine Learning / AI
3611
0
Why is the module function not suitable for gradient descent?
Middle — Senior
183
What is the maximum probability of drawing a white ball from a randomly selected basket?
Middle — Senior
183
Write the regularization formula (ElasticNet) and add it to the loss function.
Intern
182
Is overfitting related to bias or variance?
Middle
181
What is the algorithmic complexity of iteration and node deletion operations in linked lists?
Middle
181
How to train a model? Describe the weight update algorithm.
Intern
180
Why does L1 regularization zero out weights? Explain the mechanism.
Intern
179
What happens when multiplying very large numbers in Python?
Middle
179
Do you have any questions for us?
Middle
179
What is the probability of a correct answer with different class selection strategies in a tree leaf, and how to calculate it for arbitrary probabilities?
Middle — Senior
178
What is a confounder and how to account for it?
Senior
177
Tell us about yourself and your work experience.
Senior
177
176
What happens to the tails of lists after the main loop and how to process them?
Middle — Senior
176
How to understand when to stop training?
Intern
175
How to evaluate the quality of a model using ROC AUC and what do good and bad scores mean?
174
What will change in the query output if you replace INNER JOIN with LEFT JOIN?
Senior
174
What is ROC-AUC? How is the ROC curve constructed, what are the axes?
Intern
173
What kind of profiles of vacancies are you interested in?
Senior
173