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StatisticsCache

Struct StatisticsCache 

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pub struct StatisticsCache { /* private fields */ }
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Cache for statistical computations

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impl StatisticsCache

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pub fn new() -> Self

Create a new statistics cache with default TTL

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pub fn get_or_compute_expected_value<F>( &self, id: Uuid, sample_count: usize, compute: F, ) -> f64
where F: FnOnce() -> f64,

Cache expected value computation

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pub fn get_or_compute_variance<F>( &self, id: Uuid, sample_count: usize, compute: F, ) -> f64
where F: FnOnce() -> f64,

Cache variance computation

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pub fn get_or_compute_std_dev<F>( &self, id: Uuid, sample_count: usize, compute: F, ) -> f64
where F: FnOnce() -> f64,

Cache standard deviation computation

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pub fn get_or_compute_skewness<F>( &self, id: Uuid, sample_count: usize, compute: F, ) -> f64
where F: FnOnce() -> f64,

Cache skewness computation

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pub fn get_or_compute_kurtosis<F>( &self, id: Uuid, sample_count: usize, compute: F, ) -> f64
where F: FnOnce() -> f64,

Cache kurtosis computation

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pub fn get_or_compute_confidence_interval<F>( &self, id: Uuid, sample_count: usize, confidence: f64, compute: F, ) -> (f64, f64)
where F: FnOnce() -> (f64, f64),

Cache confidence interval computation

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pub fn get_or_compute_cdf<F>( &self, id: Uuid, sample_count: usize, value: f64, compute: F, ) -> f64
where F: FnOnce() -> f64,

Cache CDF computation

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pub fn get_or_compute_quantile<F>( &self, id: Uuid, sample_count: usize, q: f64, compute: F, ) -> f64
where F: FnOnce() -> f64,

Cache quantile computation

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pub fn clear_all(&self)

Clear all statistical caches

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pub fn cleanup_all_expired(&self)

Clean up expired entries in all caches

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pub fn overall_stats(&self) -> CacheStats

Get overall cache statistics across all caches

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impl Default for StatisticsCache

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fn default() -> Self

Returns the “default value” for a type. Read more

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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> 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, 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.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V