linfa_reduction::random_projection

Struct RandomProjection

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pub struct RandomProjection<Proj: ProjectionMethod, F: Float>
where
    Proj::RandomDistribution: Distribution<F>,
{ /* private fields */ }
Expand description

Embedding via random projection

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impl<Proj: ProjectionMethod, F: Float> RandomProjection<Proj, F>
where Proj::RandomDistribution: Distribution<F>,

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pub fn params() -> RandomProjectionParams<Proj, Xoshiro256Plus>

Create new parameters for a RandomProjection with default value eps = 0.1 and a Xoshiro256Plus RNG.

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pub fn params_with_rng<R>(rng: R) -> RandomProjectionParams<Proj, R>
where R: Rng + Clone,

Create new parameters for a RandomProjection with default values eps = 0.1 and the provided Rng.

Trait Implementations§

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impl<Proj, F, D> Transformer<&ArrayBase<D, Dim<[usize; 2]>>, ArrayBase<OwnedRepr<F>, Dim<[usize; 2]>>> for RandomProjection<Proj, F>
where Proj: ProjectionMethod, F: Float, D: Data<Elem = F>, ArrayBase<D, Ix2>: Dot<Proj::ProjectionMatrix<F>, Output = Array2<F>>, Proj::RandomDistribution: Distribution<F>,

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fn transform(&self, x: &ArrayBase<D, Ix2>) -> Array2<F>

Compute the embedding of a two-dimensional array

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impl<'a, Proj, F, L, T> Transformer<&'a DatasetBase<ArrayBase<OwnedRepr<F>, Dim<[usize; 2]>>, T>, DatasetBase<ArrayBase<OwnedRepr<F>, Dim<[usize; 2]>>, <T as FromTargetArray<'a>>::View>> for RandomProjection<Proj, F>
where Proj: ProjectionMethod, F: Float, L: 'a, T: AsTargets<Elem = L> + FromTargetArray<'a>, for<'b> ArrayBase<ViewRepr<&'b F>, Ix2>: Dot<Proj::ProjectionMatrix<F>, Output = Array2<F>>, Proj::RandomDistribution: Distribution<F>,

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fn transform( &self, data: &'a DatasetBase<Array2<F>, T>, ) -> DatasetBase<Array2<F>, T::View>

Compute the embedding of a dataset

§Parameter
  • data: a dataset
§Returns

New dataset, with data equal to the embedding of the input data

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impl<Proj, F, D> Transformer<ArrayBase<D, Dim<[usize; 2]>>, ArrayBase<OwnedRepr<F>, Dim<[usize; 2]>>> for RandomProjection<Proj, F>
where Proj: ProjectionMethod, F: Float, D: Data<Elem = F>, ArrayBase<D, Ix2>: Dot<Proj::ProjectionMatrix<F>, Output = Array2<F>>, Proj::RandomDistribution: Distribution<F>,

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fn transform(&self, x: ArrayBase<D, Ix2>) -> Array2<F>

Compute the embedding of a two-dimensional array

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impl<Proj, F, T> Transformer<DatasetBase<ArrayBase<OwnedRepr<F>, Dim<[usize; 2]>>, T>, DatasetBase<ArrayBase<OwnedRepr<F>, Dim<[usize; 2]>>, T>> for RandomProjection<Proj, F>
where Proj: ProjectionMethod, F: Float, T: AsTargets, for<'a> ArrayBase<ViewRepr<&'a F>, Ix2>: Dot<Proj::ProjectionMatrix<F>, Output = Array2<F>>, Proj::RandomDistribution: Distribution<F>,

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fn transform( &self, data: DatasetBase<Array2<F>, T>, ) -> DatasetBase<Array2<F>, T>

Compute the embedding of a dataset

§Parameter
  • data: a dataset
§Returns

New dataset, with data equal to the embedding of the input data

Auto Trait Implementations§

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impl<Proj, F> Freeze for RandomProjection<Proj, F>
where <Proj as ProjectionMethod>::ProjectionMatrix<F>: Freeze,

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impl<Proj, F> RefUnwindSafe for RandomProjection<Proj, F>
where <Proj as ProjectionMethod>::ProjectionMatrix<F>: RefUnwindSafe,

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impl<Proj, F> Send for RandomProjection<Proj, F>
where <Proj as ProjectionMethod>::ProjectionMatrix<F>: Send,

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impl<Proj, F> Sync for RandomProjection<Proj, F>
where <Proj as ProjectionMethod>::ProjectionMatrix<F>: Sync,

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impl<Proj, F> Unpin for RandomProjection<Proj, F>
where <Proj as ProjectionMethod>::ProjectionMatrix<F>: Unpin,

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impl<Proj, F> UnwindSafe for RandomProjection<Proj, F>
where <Proj as ProjectionMethod>::ProjectionMatrix<F>: UnwindSafe,

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