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KnnClassifier

qualia_core_db::solvers::learning::classification::knn

Struct KnnClassifier 

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pub struct KnnClassifier { /* private fields */ }
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A fitted (stored) k-NN classifier.

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impl KnnClassifier

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pub fn fit( x: &[f64], y: &[usize], n: usize, p: usize, k: usize, ) -> Result<Self, LearningError>

Store the training data. Fails closed on shape mismatch or k out of range.

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pub fn predict_row(&self, q: &[f64]) -> usize

Predict the class of one query row by majority vote of the k nearest training points (ties broken toward the lower class label).

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pub fn predict(&self, x: &[f64], m: usize) -> Vec<usize>

Predict classes for a row-major m × p query matrix.

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impl Clone for KnnClassifier

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fn clone(&self) -> KnnClassifier

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for KnnClassifier

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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