FeatureScaler

sklears_utils::preprocessing

Struct FeatureScaler

pub struct FeatureScaler;

Expand description

Feature scaling utilities

Implementations§

impl FeatureScaler

pub fn standard_scale<T>( data: &Array2<T>, ) -> UtilsResult<(Array2<T>, Array1<T>, Array1<T>)>
where T: Float + Clone + Sum,

Standard scaling (z-score normalization)

pub fn minmax_scale<T>( data: &Array2<T>, ) -> UtilsResult<(Array2<T>, Array1<T>, Array1<T>)>
where T: Float + Clone + PartialOrd,

Min-max scaling to [0, 1] range

pub fn robust_scale<T>( data: &Array2<T>, ) -> UtilsResult<(Array2<T>, Array1<T>, Array1<T>)>
where T: Float + Clone + PartialOrd,

Robust scaling using median and IQR

Auto Trait Implementations§

impl Freeze for FeatureScaler

impl RefUnwindSafe for FeatureScaler

impl Send for FeatureScaler

impl Sync for FeatureScaler

impl Unpin for FeatureScaler

impl UnwindSafe for FeatureScaler

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

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

Mutably borrows from an owned value. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

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

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> IntoEither for T

fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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

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

type Error = Infallible

The type returned in the event of a conversion error.

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

Performs the conversion.

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

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

The type returned in the event of a conversion error.

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

Performs the conversion.

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

fn vzip(self) -> V