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Pca

flow_utils::pca

Struct Pca

pub struct Pca { /* private fields */ }

Expand description

Principal Component Analysis

Implementations§

impl Pca

pub fn new(n_components: usize) -> Self

Create a new PCA instance

§Arguments

n_components - Number of components to keep

pub fn fit(self, data: &Array2<f64>) -> PcaResult<Self>

Fit PCA to data

§Arguments

data - Input data matrix (n_samples × n_features)

§Returns

Fitted Pca instance

pub fn transform(&self, data: &Array2<f64>) -> PcaResult<Array2<f64>>

Transform data to principal component space

§Arguments

data - Input data matrix (n_samples × n_features)

§Returns

Transformed data (n_samples × n_components)

pub fn components(&self) -> &Array2<f64>

Get principal components

pub fn explained_variance_ratio(&self) -> &[f64]

Get explained variance ratio

pub fn mean(&self) -> &Array1<f64>

Get mean of training data

Trait Implementations§

impl Debug for Pca

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

impl Freeze for Pca

impl RefUnwindSafe for Pca

impl Send for Pca

impl Sync for Pca

impl Unpin for Pca

impl UnwindSafe for Pca

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