Class: SkiftetStatistical::Policies::Base

Inherits:

Object

• Object
• SkiftetStatistical::Policies::Base

Defined in:

lib/skiftet_statistical/policies/base.rb

Overview

A selection policy decides which arm to pull next from the current stats. Subclasses implement #choose(arms), returning the chosen Arm.

Direct Known Subclasses

EpsilonGreedy, Softmax, ThompsonSampling, UCB1

Instance Method Summary

• #choose(_arms) ⇒ Object

  Pick an arm.

• #to_h ⇒ Object

  Serialisable config (so a Bandit can describe its policy).

Instance Method Details

#choose(_arms) ⇒ Object

Pick an arm. arms is a non-empty Array; returns the chosen Arm.

Raises:

• (NotImplementedError)

# File 'lib/skiftet_statistical/policies/base.rb', line 9

def choose(_arms)
  raise NotImplementedError, "#{self.class} must implement #choose"
end

#to_h ⇒ Object

Serialisable config (so a Bandit can describe its policy).

# File 'lib/skiftet_statistical/policies/base.rb', line 14

def to_h
  { type: self.class.name.split("::").last }
end