What is selection bias in click logs?
Senior
242
Machine Learning / AI
3597
0
219
What is DistilBERT? What are the quality losses and speed gains?
Middle — Senior
206
What is RLHF? Describe the three stages of training.
Middle — Senior
195
186
185
How exactly was the embedder fine-tuned — LoRA or full fine-tuning?
Senior
183
What are the metrics for evaluating uplift models (Qini, uplift curve)?
182
How does TF-IDF differ from frequency representation and why is it needed?
Junior — Middle
182
What problems are there in detecting long-tail classes?
Middle — Senior
181
What is source separation (Demucs, Spleeter)?
Senior
176
What formula is used to minimize the distance between prediction and target in linear regression? How to take its derivative?
Senior
174
What is pose estimation (top-down vs bottom-up)? What is OpenPose?
Senior
163
What do you mean by document normalization?
Senior
161
160
What is test coverage and how to ensure it?
Middle — Senior
159
Tell me about Adam and RMSProp.
Senior
158
If we want to process multiple files in parallel, what is better to use?
Senior
158
157
What is spatial pyramid pooling?
Junior — Senior
157