179 questions
No questions match those filters.
← All questions
Retrieval & EmbeddingsMedium· Retrieval· Evaluation· Positional Bias
We cut k from 20 to 5 and accuracy went up. Explain wha...
This is one of the questions in the full AI/ML interview bank. Pro unlocks all 1789 questions; Premium includes the same bank plus the highest daily Practice limit.
See plansReducing k from 20 to 5 had two potential effects: removing noisy distractors or changing the position of the relevant information relative to the prompt. To diagnose the cause, you should keep k=20 but reorder the retrieved chunks so the gold chunk is placed near the prompt. If accuracy improves with reordering, the issue was positional bias; if it does not, the lower-ranked chunks were simply noise.