Struct forust_ml::objective::LogLoss

source · 
pub struct LogLoss {}

Trait Implementations§

source§

impl Default for LogLoss

source§

fn default() -> LogLoss

Returns the “default value” for a type. Read more
source§

impl ObjectiveFunction for LogLoss

source§

fn calc_loss(y: &[f64], yhat: &[f64], sample_weight: &[f64]) -> Vec<f32>

source§

fn calc_init(y: &[f64], sample_weight: &[f64]) -> f64

source§

fn calc_grad_hess( y: &[f64], yhat: &[f64], sample_weight: &[f64] ) -> (Vec<f32>, Vec<f32>)

source§

fn calc_grad(y: &[f64], yhat: &[f64], sample_weight: &[f64]) -> Vec<f32>

source§

fn calc_hess(_: &[f64], yhat: &[f64], sample_weight: &[f64]) -> Vec<f32>

source§

fn default_metric() -> Metric

Auto Trait Implementations§

Blanket Implementations§

source§

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

source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
source§

impl<T> Borrow<T> for Twhere T: ?Sized,

source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
source§

impl<T> BorrowMut<T> for Twhere T: ?Sized,

source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
source§

impl<T> From<T> for T

source§

fn from(t: T) -> T

Returns the argument unchanged.

source§

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

source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

§

impl<T> Pointable for T

§

const ALIGN: usize = _

The alignment of pointer.
§

type Init = T

The type for initializers.
§

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
§

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
§

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
§

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
source§

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

§

type Error = Infallible

The type returned in the event of a conversion error.
source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
source§

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

§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
§

impl<V, T> VZip<V> for Twhere V: MultiLane<T>,

§

fn vzip(self) -> V