Struct FittedBinaryEncoder

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pub struct FittedBinaryEncoder<F> { /* private fields */ }

Expand description

A fitted binary encoder holding the number of categories and binary digits per input feature.

Created by calling Fit::fit on a BinaryEncoder.

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impl<F: Float + Send + Sync + 'static> FittedBinaryEncoder<F>

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pub fn n_categories(&self) -> &[usize]

Return the number of categories per feature.

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pub fn n_digits(&self) -> &[usize]

Return the number of binary digits per feature.

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pub fn n_output_features(&self) -> usize

Return the total number of output columns.

Trait Implementations§

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impl<F: Clone> Clone for FittedBinaryEncoder<F>

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fn clone(&self) -> FittedBinaryEncoder<F>

Returns a duplicate of the value. Read more

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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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impl<F: Debug> Debug for FittedBinaryEncoder<F>

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

Formats the value using the given formatter. Read more

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impl<F: Float + Send + Sync + 'static> Transform<ArrayBase<OwnedRepr<usize>, Dim<[usize; 2]>>> for FittedBinaryEncoder<F>

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fn transform(&self, x: &Array2<usize>) -> Result<Array2<F>, FerroError>

Transform categorical data into binary encoded columns.

§Errors

Returns FerroError::ShapeMismatch if the number of columns differs from the number of features seen during fitting.

Returns FerroError::InvalidParameter if any category value exceeds the maximum seen during fitting.

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type Output = ArrayBase<OwnedRepr<F>, Dim<[usize; 2]>>

The transformed output type.

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type Error = FerroError

The error type returned by transform.

Auto Trait Implementations§

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impl<F> UnwindSafe for FittedBinaryEncoder<F>
where F: UnwindSafe,

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

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

Mutably borrows from an owned value. Read more

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impl<T> ByRef<T> for T

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fn by_ref(&self) -> &T

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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dest. Read more

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

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fn rand<T>(&self, rng: &mut (impl Rng + ?Sized)) -> T
where Self: Distribution<T>,

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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fn into(self) -> U

Calls U::from(self).

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

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impl<T> IntoEither for T

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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

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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

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