Linear and probabilistic models · MLD-0970
Quadratic discriminant analysis
A classifier using class-specific Gaussian covariance estimates, producing quadratic boundaries.
Original reference page · detailed expansion pending. Original definitions, examples, notes and citations are preserved below. New examples are illustrative, not benchmark results.
Original example
Model classes with different covariance patterns.
Original caveat
Covariance estimation needs enough data.
Context and aliases
Level: Intermediate. Stages: Training · Inference.
Tags: ML.
Aliases: QDA.
Related concepts
Concepts linking here
Original references
- scikit-learn: Gaussian processes ↗ · Reference link
- scikit-learn: linear models ↗ · Reference link
- scikit-learn: naive Bayes ↗ · Reference link
- Original reference URL ↗