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GaussianProcess

oxilean_std::statistical_learning::types

Struct GaussianProcess 

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pub struct GaussianProcess {
    pub mean: f64,
    pub length_scale: f64,
    pub signal_variance: f64,
    pub noise_variance: f64,
}
Expand description

Gaussian process regression model.

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§mean: f64§length_scale: f64§signal_variance: f64§noise_variance: f64

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impl GaussianProcess

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pub fn new( mean: f64, length_scale: f64, signal_var: f64, noise_var: f64, ) -> Self

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pub fn default_rbf() -> Self

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pub fn rbf_kernel(&self, x: f64, xp: f64) -> f64

RBF (squared exponential) kernel: k(x, x’) = σ^2 exp(-|x-x’|^2 / (2l^2)).

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pub fn predictive_variance(&self, x: f64, train_x: &[f64]) -> f64

Predictive variance at a new point (simplified: just signal variance).

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pub fn log_marginal_likelihood_approx(&self, n: usize) -> f64

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impl Clone for GaussianProcess

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fn clone(&self) -> GaussianProcess

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 Debug for GaussianProcess

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

Formats the value using the given formatter. Read more

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Blanket Implementations§

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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> 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> 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<U> 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> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.