pub struct FittedTargetEncoder<F> { /* private fields */ }Expand description
A fitted target encoder holding per-feature, per-category encoding values.
Created by calling Fit::fit on a TargetEncoder.
Implementations§
Source§impl<F: Float + Send + Sync + 'static> FittedTargetEncoder<F>
impl<F: Float + Send + Sync + 'static> FittedTargetEncoder<F>
Sourcepub fn category_maps(&self) -> &[HashMap<usize, F>]
pub fn category_maps(&self) -> &[HashMap<usize, F>]
Return the encoding maps per feature.
Sourcepub fn global_mean(&self) -> F
pub fn global_mean(&self) -> F
Return the global target mean.
Trait Implementations§
Source§impl<F: Clone> Clone for FittedTargetEncoder<F>
impl<F: Clone> Clone for FittedTargetEncoder<F>
Source§fn clone(&self) -> FittedTargetEncoder<F>
fn clone(&self) -> FittedTargetEncoder<F>
Returns a duplicate of the value. Read more
1.0.0 · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source. Read moreSource§impl<F: Debug> Debug for FittedTargetEncoder<F>
impl<F: Debug> Debug for FittedTargetEncoder<F>
Source§impl<F: Float + Send + Sync + 'static> Transform<ArrayBase<OwnedRepr<usize>, Dim<[usize; 2]>>> for FittedTargetEncoder<F>
impl<F: Float + Send + Sync + 'static> Transform<ArrayBase<OwnedRepr<usize>, Dim<[usize; 2]>>> for FittedTargetEncoder<F>
Source§fn transform(&self, x: &Array2<usize>) -> Result<Array2<F>, FerroError>
fn transform(&self, x: &Array2<usize>) -> Result<Array2<F>, FerroError>
Encode categorical features using the learned target statistics.
Unseen categories are encoded as the global target mean.
§Errors
Returns FerroError::ShapeMismatch if the number of columns differs
from the number of features seen during fitting.
Source§type Error = FerroError
type Error = FerroError
The error type returned by
transform.Auto Trait Implementations§
impl<F> Freeze for FittedTargetEncoder<F>where
F: Freeze,
impl<F> RefUnwindSafe for FittedTargetEncoder<F>where
F: RefUnwindSafe,
impl<F> Send for FittedTargetEncoder<F>where
F: Send,
impl<F> Sync for FittedTargetEncoder<F>where
F: Sync,
impl<F> Unpin for FittedTargetEncoder<F>where
F: Unpin,
impl<F> UnsafeUnpin for FittedTargetEncoder<F>where
F: UnsafeUnpin,
impl<F> UnwindSafe for FittedTargetEncoder<F>where
F: UnwindSafe,
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Source§impl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
Source§impl<T> DistributionExt for Twhere
T: ?Sized,
impl<T> DistributionExt for Twhere
T: ?Sized,
Source§impl<T> IntoEither for T
impl<T> IntoEither for T
Source§fn into_either(self, into_left: bool) -> Either<Self, Self>
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 moreSource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
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 moreSource§impl<T> Pointable for T
impl<T> Pointable for T
Source§impl<SS, SP> SupersetOf<SS> for SPwhere
SS: SubsetOf<SP>,
impl<SS, SP> SupersetOf<SS> for SPwhere
SS: SubsetOf<SP>,
Source§fn to_subset(&self) -> Option<SS>
fn to_subset(&self) -> Option<SS>
The inverse inclusion map: attempts to construct
self from the equivalent element of its
superset. Read moreSource§fn is_in_subset(&self) -> bool
fn is_in_subset(&self) -> bool
Checks if
self is actually part of its subset T (and can be converted to it).Source§fn to_subset_unchecked(&self) -> SS
fn to_subset_unchecked(&self) -> SS
Use with care! Same as
self.to_subset but without any property checks. Always succeeds.Source§fn from_subset(element: &SS) -> SP
fn from_subset(element: &SS) -> SP
The inclusion map: converts
self to the equivalent element of its superset.Source§impl<SS, SP> SupersetOf<SS> for SPwhere
SS: SubsetOf<SP>,
impl<SS, SP> SupersetOf<SS> for SPwhere
SS: SubsetOf<SP>,
Source§fn to_subset(&self) -> Option<SS>
fn to_subset(&self) -> Option<SS>
The inverse inclusion map: attempts to construct
self from the equivalent element of its
superset. Read moreSource§fn is_in_subset(&self) -> bool
fn is_in_subset(&self) -> bool
Checks if
self is actually part of its subset T (and can be converted to it).Source§unsafe fn to_subset_unchecked(&self) -> SS
unsafe fn to_subset_unchecked(&self) -> SS
Use with care! Same as
self.to_subset but without any property checks. Always succeeds.Source§fn from_subset(element: &SS) -> SP
fn from_subset(element: &SS) -> SP
The inclusion map: converts
self to the equivalent element of its superset.