[−][src]Struct sprs_rand::rand_distr::Dirichlet
The dirichelet distribution Dirichlet(alpha)
.
The Dirichlet distribution is a family of continuous multivariate probability distributions parameterized by a vector alpha of positive reals. It is a multivariate generalization of the beta distribution.
Example
use rand::prelude::*; use rand_distr::Dirichlet; let dirichlet = Dirichlet::new(vec![1.0, 2.0, 3.0]).unwrap(); let samples = dirichlet.sample(&mut rand::thread_rng()); println!("{:?} is from a Dirichlet([1.0, 2.0, 3.0]) distribution", samples);
Implementations
impl<N> Dirichlet<N> where
N: Float,
StandardNormal: Distribution<N>,
Exp1: Distribution<N>,
Open01: Distribution<N>,
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N: Float,
StandardNormal: Distribution<N>,
Exp1: Distribution<N>,
Open01: Distribution<N>,
pub fn new<V>(alpha: V) -> Result<Dirichlet<N>, Error> where
V: Into<Vec<N>>,
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V: Into<Vec<N>>,
Construct a new Dirichlet
with the given alpha parameter alpha
.
Requires alpha.len() >= 2
.
pub fn new_with_size(alpha: N, size: usize) -> Result<Dirichlet<N>, Error>
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Construct a new Dirichlet
with the given shape parameter alpha
and size
.
Requires size >= 2
.
Trait Implementations
impl<N> Clone for Dirichlet<N> where
N: Clone,
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N: Clone,
impl<N> Debug for Dirichlet<N> where
N: Debug,
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N: Debug,
impl<N> Distribution<Vec<N>> for Dirichlet<N> where
N: Float,
StandardNormal: Distribution<N>,
Exp1: Distribution<N>,
Open01: Distribution<N>,
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N: Float,
StandardNormal: Distribution<N>,
Exp1: Distribution<N>,
Open01: Distribution<N>,
Auto Trait Implementations
impl<N> RefUnwindSafe for Dirichlet<N> where
N: RefUnwindSafe,
N: RefUnwindSafe,
impl<N> Send for Dirichlet<N> where
N: Send,
N: Send,
impl<N> Sync for Dirichlet<N> where
N: Sync,
N: Sync,
impl<N> Unpin for Dirichlet<N> where
N: Unpin,
N: Unpin,
impl<N> UnwindSafe for Dirichlet<N> where
N: UnwindSafe,
N: UnwindSafe,
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<SS, SP> SupersetOf<SS> for SP where
SS: SubsetOf<SP>,
SS: SubsetOf<SP>,
fn to_subset(&self) -> Option<SS>
fn is_in_subset(&self) -> bool
unsafe fn to_subset_unchecked(&self) -> SS
fn from_subset(element: &SS) -> SP
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
fn to_owned(&self) -> T
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fn clone_into(&self, target: &mut T)
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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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>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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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>
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impl<V, T> VZip<V> for T where
V: MultiLane<T>,
V: MultiLane<T>,