Label Distribution, Class Balance & Class Weights
All lessons
- Label Distribution, Class Balance & Class WeightsFree
- Percent Agreement vs Cohen's Kappa: the Rare-Label Trap Pro
- Fleiss' Kappa: Agreement with More than Two Annotators Pro
- Majority Vote, Label Confidence & Expert Review Pro
- Gold-Standard (Honeypot) Accuracy & Annotator Flags Pro
- Label Noise: What Wrong Test Labels Do to Measured Accuracy (with a Chart) Pro
- Labelling Cost & Throughput: Hours, Review Overhead & Cost per Item Pro
- Active Learning vs Random Sampling: Labels to Target & Budget Saved (with a Chart) Pro
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