Struct probability::prelude::Gamma

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pub struct Gamma { /* private fields */ }

Expand description

A gamma distribution.

Implementations

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impl Gamma

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pub fn new(k: f64, theta: f64) -> Self

Create a gamma distribution with shape parameter k and scale parameter theta.

It should hold that k > 0 and theta > 0.

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pub fn k(&self) -> f64

Return the shape parameter.

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pub fn theta(&self) -> f64

Return the scale parameter.

Trait Implementations

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impl Clone for Gamma

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fn clone(&self) -> Gamma

Returns a copy 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 Continuous for Gamma

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fn density(&self, x: f64) -> f64

Compute the probability density function.

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impl Debug for Gamma

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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 Distribution for Gamma

type Value = f64

The type of outcomes.

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fn distribution(&self, x: f64) -> f64

Compute the cumulative distribution function.

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impl Entropy for Gamma

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fn entropy(&self) -> f64

Compute the differential entropy. Read more

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impl Kurtosis for Gamma

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fn kurtosis(&self) -> f64

Compute the excess kurtosis.

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impl Mean for Gamma

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fn mean(&self) -> f64

Compute the expected value.

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impl Modes for Gamma

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fn modes(&self) -> Vec<f64>

Compute the modes.

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impl Sample for Gamma

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fn sample<S>(&self, source: &mut S) -> f64 where
S: Source,

Draw a sample.

References

G. Marsaglia and W. W. Tsang, “A simple method for generating gamma variables,” ACM Transactions on Mathematical Software, vol. 26, no. 3, pp. 363–372, September 2000.

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impl Skewness for Gamma

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fn skewness(&self) -> f64

Compute the skewness.

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impl Variance for Gamma

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fn variance(&self) -> f64

Compute the variance.

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fn deviation(&self) -> f64

Compute the standard deviation.

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impl Copy for Gamma

Auto Trait Implementations

impl RefUnwindSafe for Gamma

impl Send for Gamma

impl Sync for Gamma

impl Unpin for Gamma

impl UnwindSafe for Gamma

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,

const: unstable · source

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,

const: unstable · source

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

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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

const: unstable · source

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,

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)

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

Uses borrowed data to replace owned data, usually by cloning. Read more

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

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

Struct probability::prelude::Gamma

Implementations

impl Gamma

pub fn new(k: f64, theta: f64) -> Self

pub fn k(&self) -> f64

pub fn theta(&self) -> f64

Trait Implementations

impl Clone for Gamma

fn clone(&self) -> Gamma

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

impl Continuous for Gamma

fn density(&self, x: f64) -> f64

impl Debug for Gamma

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

impl Distribution for Gamma

type Value = f64

fn distribution(&self, x: f64) -> f64

impl Entropy for Gamma

fn entropy(&self) -> f64

impl Kurtosis for Gamma

fn kurtosis(&self) -> f64

impl Mean for Gamma

fn mean(&self) -> f64

impl Modes for Gamma

fn modes(&self) -> Vec<f64>

impl Sample for Gamma

fn sample<S>(&self, source: &mut S) -> f64 where S: Source,

References

impl Skewness for Gamma

fn skewness(&self) -> f64

impl Variance for Gamma

fn variance(&self) -> f64

fn deviation(&self) -> f64

impl Copy for Gamma

Auto Trait Implementations

impl RefUnwindSafe for Gamma

impl Send for Gamma

impl Sync for Gamma

impl Unpin for Gamma

impl UnwindSafe for Gamma

Blanket Implementations

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

impl<T> From<T> for T

fn from(t: T) -> T

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

fn into(self) -> U

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

type Owned = T

fn to_owned(&self) -> T

fn clone_into(&self, target: &mut T)

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

type Error = Infallible

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

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

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

fn sample<S>(&self, source: &mut S) -> f64 where
S: Source,

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

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

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

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

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

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

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,