`shrinkage::Ridge`

Shrinkage for Rust · rust · 0.3.0

Source: src/penalty.rs

pub struct Ridge

Ridge penalty lambda * ||beta||² / 2, distinct from the L2 norm.

Inherent implementation

Source: src/penalty.rs

impl Ridge

`lambda`

Source: src/penalty.rs

pub fn lambda(&self) -> f64

Configured squared L2 strength.

`new`

Source: src/penalty.rs

pub fn new(lambda: f64) -> Self

Set the squared L2 strength, checked during evaluation and fitting.

Implementation of Clone

Source: src/penalty.rs

impl Clone for Ridge

`clone`

Source: src/penalty.rs

fn clone(&self) -> Self

Implementation of CoordinatePenalty

Source: src/penalty/coordinate.rs

impl CoordinatePenalty for shrinkage::Ridge

`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 Ridge

Implementation of Debug

Source: src/penalty.rs

impl Debug for Ridge

`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::Ridge

`AtStrength`

Source: src/path/penalty.rs

type AtStrength = Ridge;

`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>

`path_anchor`

Source: src/path/penalty.rs

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

Implementation of Penalty

Source: src/penalty.rs

impl Penalty for Ridge

`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, FitError>

Implementation of ProximalPenalty

Source: src/penalty.rs

impl ProximalPenalty for Ridge

`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::Ridge

`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 Ridge

Implementation of RefUnwindSafe

impl RefUnwindSafe for Ridge

Implementation of Send

impl Send for Ridge

Implementation of Sync

impl Sync for Ridge

Implementation of Unpin

impl Unpin for Ridge

Implementation of UnsafeUnpin

impl UnsafeUnpin for Ridge

Implementation of UnwindSafe

impl UnwindSafe for Ridge

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>