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Module ensemble_learner

Module ensemble_learner 

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EnsembleLearner — production-quality ensemble learning system.

Implements Bagging, AdaBoost, Gradient Boosting, Random Forest, and Stacking strategies over decision stumps and perceptron base models.

§Design

  • Bagging: bootstrap samples, parallel independent base models, majority/average vote.
  • AdaBoost: sequential stump fitting, exponential weight update (alpha), sample re-weighting after each round.
  • Gradient Boosting: pseudo-residual fitting, shrinkage via learning_rate.
  • Random Forest: bagging + feature sub-sampling per stump (sqrt(n_features)).
  • Stacking: train diverse base models and a linear meta-learner on their outputs.
  • All operations use xorshift64 for bootstrap/sub-sampling — no rand crate.
  • Training history is kept in a VecDeque<ElTrainingRecord> capped at 100 entries.
  • No unwrap() anywhere — all fallible operations use ? / ok_or.

Re-exports§

pub use type_aliases::*;
pub use types::*;

Modules§

ellearnerconfig_traits
ElLearnerConfig - Trait Implementations
elmethod_traits
ElMethod - Trait Implementations
functions
Auto-generated module
type_aliases
Auto-generated module
types
Auto-generated module