How is a random forest structured and how does it train in a classification task?
Middle — Senior
211
Machine Learning / AI
3611
0
How do you compare the quality of different embedding models? What is MTEB?
210
Можно ли считать новую модель с F1-score 0.81 лучше модели с 0.8 и сразу запускать в продакшен?
Middle
208
What is the asymptotic complexity of multiple passes through a list?
Middle — Senior
208
If the AUC of a new model is 0.82 compared to 0.80 for the production model — can we confidently say that the new one is better? How to check statistical significance?
Intern
206
Is it necessary to regularize the bias term (w0)? Why is w0 needed at all?
Intern
206
How to measure the quality of a binary classification model? What metrics do you know?
Intern
206
What is H(X) in the context of classification, for example entropy?
Middle — Senior
204
How to compare floating-point coordinates considering the peculiarities of float in different languages?
Middle
203
Is it possible to cheaply fix the problem of module usage in gradient descent?
Middle — Senior
203
How do Precision and Recall behave under class imbalance? Example: 95 ones and 5 zeros, the model always predicts 1.
Intern
202
200
What is an ROC curve?
Middle — Senior
200
198
What is a re-ranker in RAG? What models are used (cross-encoder, bge-reranker)?
Middle — Senior
196
What is a branching criterion in trees?
Middle — Senior
195
What are your hobbies outside of work?
Middle
194
193
How to describe the architecture of a random forest model with an added linear model for extrapolation?
Middle
193
What is the Unigram language model in tokenization (like in SentencePiece)?
Junior — Middle
188