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ThompsonSampling

Struct ThompsonSampling 

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pub struct ThompsonSampling { /* private fields */ }
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Thompson Sampling bandit for variant selection

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impl ThompsonSampling

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pub fn new() -> Self

Create a new Thompson Sampling instance

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pub fn add_variant(&mut self, variant_id: Uuid)

Add a new variant

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pub fn remove_variant(&mut self, variant_id: &Uuid)

Remove a variant

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pub fn select_variant(&self) -> Result<Uuid>

Select a variant using Thompson Sampling

This samples from each arm’s Beta distribution and selects the arm with the highest sampled value.

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pub fn update(&mut self, variant_id: &Uuid, success: bool) -> Result<()>

Update a variant with observation

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pub fn get_conversion_rates(&self) -> HashMap<Uuid, f64>

Get current conversion rates for all variants

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pub fn get_arm(&self, variant_id: &Uuid) -> Option<&BanditArm>

Get arm statistics

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pub fn get_arms(&self) -> &HashMap<Uuid, BanditArm>

Get all arms

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pub fn calculate_regret(&self) -> f64

Calculate regret (difference from optimal arm)

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pub fn total_samples(&self) -> u64

Get total number of samples

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pub fn has_converged(&self, threshold: f64) -> bool

Check if bandit has converged (low regret relative to samples)

Trait Implementations§

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impl Clone for ThompsonSampling

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fn clone(&self) -> ThompsonSampling

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Debug for ThompsonSampling

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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 Default for ThompsonSampling

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fn default() -> Self

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

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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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