~/talk

Classification Through Regression:Unlock the True Potential of Your Labels

Talkat PyData Global 2022 · 2022-12-01..12-03· [machine-learning]
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slides:none on file

Argues that recasting some classification tasks as regression or ordinal problems measurably lowers risk and overconfidence: implements bilinear cross entropy and real-world cross entropy for asymmetric misclassification costs, uses ordinal regression (K−1 binary heads, ranking consistency fixes) and soft/fuzzy labels to improve calibration, and notes a recent balanced MSE for long-tailed regression. Provides a decision diagram and cookbook tips and reports confusion matrices that move errors nearer the diagonal and better-ordered feature clusters.

AI-written summary · about

  1. 0:00Label relations in classification
  2. 3:54Limitations of nominal classification
  3. 10:03Ordinal regression for ordered labels
  4. 17:12Beyond coarse labels with regression
  5. 20:25Soft labels and fuzzy membership
  6. 23:57Linear regression for label distributions
  7. 25:45Unbalanced regression challenges
  8. 26:05Decision framework for classification
  9. 27:30Summary
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