Issues

• [FAQ] Homework 4 (2026): Why does the maximum F1 threshold (0.41) not match the Precision-Recall intersection (0.63)?

  DataTalksClub/faq#486 · Filter by author c-ibarra opened on Oct 20, 2026

• [FAQ]

  faq-proposal
  DataTalksClub/faq#484 · Filter by author filipenetinho opened on Oct 19, 2026
  1

• [FAQ]Why should we use the same KFold splits when comparing hyperparameters?

  faq-proposal
  DataTalksClub/faq#480 · Filter by author AMIRABBASBF2027 opened on Oct 19, 2026
  1

• [FAQ]Why can a numerical feature have ROC AUC below 0.5, and why can we invert it?

  faq-proposal
  DataTalksClub/faq#478 · Filter by author Nilo0far opened on Oct 19, 2026
  1

• [FAQ] TqdmWarning: IProgress not found. Please update jupyter and ipywidgets when importing tqdm

  faq-proposal
  DataTalksClub/faq#474 · Filter by author k-candidate opened on Oct 19, 2026
  2

• Derivation of True Positive Rate (TPR) and False Positive Rate (FPR)

  faq-proposal
  DataTalksClub/faq#472 · Filter by author huyyhoangtr-boop opened on Oct 19, 2026
  1

• [FAQ] How to avoid KeyError when re-running target deletion cells in Jupyter Notebooks

  faq-proposal
  DataTalksClub/faq#470 · Filter by author andrew-chung-au opened on Oct 19, 2026
  1

• [FAQ] Homework 3 (2026) Q3: Why do mutual_info_classif scores differ from mutual_info_score, or change on every run?

  faq-proposal
  DataTalksClub/faq#468 · Filter by author devotuoma opened on Oct 19, 2026
  1

• [FAQ] : Homework 4 Q5-Q6 - do I cross-validate on df_train or df_full_train?

  faq-proposal
  DataTalksClub/faq#466 · Filter by author yazdanparasthesam opened on Oct 18, 2026
  1

• [FAQ]

  faq-proposal
  DataTalksClub/faq#463 · Filter by author Mufado opened on Oct 18, 2026
  1