`shrinkage::L1`

Shrinkage for Rust · rust · 0.3.0

Source: src/penalty.rs

pub struct L1

An L1 penalty on optimization-scale coefficients.

Inherent implementation

Source: src/penalty.rs

impl L1

`lambda`

Source: src/penalty.rs

pub fn lambda(&self) -> f64

Configured penalty strength.

`new`

Source: src/penalty.rs

pub fn new(lambda: f64) -> Self

Set the penalty strength, checked when fitting.

Implementation of Clone

Source: src/penalty.rs

impl Clone for L1

`clone`

Source: src/penalty.rs

fn clone(&self) -> Self

Implementation of CoordinatePenalty

Source: src/penalty/coordinate.rs

impl CoordinatePenalty for shrinkage::L1

`coordinate_violation`

Source: src/penalty/coordinate.rs

fn coordinate_violation(
    &self,
    _: usize,
    value: f64,
    gradient: f64
) -> Result<f64, FitError>

`minimize_coordinate`

Source: src/penalty/coordinate.rs

fn minimize_coordinate(
    &self,
    _: usize,
    linear: f64,
    curvature: f64
) -> Result<f64, FitError>

Implementation of Copy

Source: src/penalty.rs

impl Copy for L1

Implementation of Debug

Source: src/penalty.rs

impl Debug for L1

`fmt`

Source: src/penalty.rs

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

Implementation of PathPenalty

Source: src/path/penalty.rs

impl PathPenalty for shrinkage::L1

`AtStrength`

Source: src/path/penalty.rs

type AtStrength = L1;

`at_strength`

Source: src/path/penalty.rs

fn at_strength(&self, lambda: f64) -> Result<Self, FitError>

`maximum_penalty`

Source: src/path/penalty.rs

fn maximum_penalty(&self, gradient: &[f64]) -> Result<PenaltyMaximum, FitError>

Implementation of PathSolver

Source: src/path/coordinate.rs

impl<M, P> PathSolver<Problem<&M, Gaussian<'_>, P>, L1> for shrinkage::CoordinateDescent where M: RawColumns<f64> + ColumnStats<f64> + ?Sized

Implementation of Penalty

Source: src/penalty.rs

impl Penalty for L1

`Error`

Source: src/penalty.rs

type Error = FitError;

`validate_input`

Source: src/penalty.rs

fn validate_input(&self, coefficients: &[f64]) -> Result<(), FitError>

`value`

Source: src/penalty.rs

fn value(&self, coefficients: &[f64]) -> Result<f64, <Self as Penalty>::Error>

Implementation of ProximalPenalty

Source: src/penalty.rs

impl ProximalPenalty for L1

`prox`

Source: src/penalty.rs

fn prox(
    &self,
    input: &[f64],
    step: f64,
    output: &mut [f64]
) -> Result<(), FitError>

Implementation of RestrictedProximalPenalty

Source: src/penalty/masked.rs

impl RestrictedProximalPenalty for shrinkage::L1

`prox_restricted`

Source: src/penalty/masked.rs

fn prox_restricted(
    &self,
    input: &[f64],
    unpenalized: &[bool],
    step: f64,
    output: &mut [f64]
) -> Result<(), FitError>

`value_restricted`

Source: src/penalty/masked.rs

fn value_restricted(
    &self,
    coefficients: &[f64],
    unpenalized: &[bool]
) -> Result<f64, FitError>

Implementation of Freeze

impl Freeze for L1

Implementation of RefUnwindSafe

impl RefUnwindSafe for L1

Implementation of Send

impl Send for L1

Implementation of Sync

impl Sync for L1

Implementation of Unpin

impl Unpin for L1

Implementation of UnsafeUnpin

impl UnsafeUnpin for L1

Implementation of UnwindSafe

impl UnwindSafe for L1

Implementation of Any

impl<T> Any for T where T: 'static + ?Sized

Implementation of Borrow

impl<T> Borrow<T> for T where T: ?Sized

Implementation of BorrowMut

impl<T> BorrowMut<T> for T where T: ?Sized

Implementation of ByRef

impl<T> ByRef<T> for T

Implementation of CastableFrom

impl<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT where ST: ?Sized, DT: ?Sized

Implementation of CastableFrom

impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT where ST: ?Sized, DT: ?Sized

Implementation of CloneToUninit

impl<T> CloneToUninit for T where T: Clone

Implementation of From

impl<T> From<T> for T

Implementation of Imply

impl<T, U> Imply<T> for U where T: ?Sized, U: ?Sized

Implementation of Into

impl<T, U> Into<U> for T where U: From<T>

Implementation of IntoEither

impl<T> IntoEither for T

Implementation of Pointable

impl<T> Pointable for T

Implementation of Read

impl<T> Read<Exclusive, BecauseExclusive> for T where T: ?Sized

Implementation of Same

impl<T> Same for T

Implementation of SupersetOf

impl<SS, SP> SupersetOf<SS> for SP where SS: SubsetOf<SP>

Implementation of ToOwned

impl<T> ToOwned for T where T: Clone

Implementation of TryFrom

impl<T, U> TryFrom<U> for T where U: Into<T>

Implementation of TryInto

impl<T, U> TryInto<U> for T where U: TryFrom<T>