Class: Distrb::Gamma

Inherits:

Distribution

• Object
• Distribution
• Distrb::Gamma

Defined in:

lib/distrb/gamma.rb

Overview

Gamma distribution See: en.wikipedia.org/wiki/Gamma_distribution

Defined Under Namespace

Classes: MarsagliaTsang

Instance Attribute Summary

• #sampler ⇒ Object readonly

  Returns the value of attribute sampler.

Instance Method Summary

• #initialize(alpha, beta = 1) ⇒ Gamma constructor

  A new instance of Gamma.

Methods inherited from Distribution

#sample

Constructor Details

#initialize(alpha, beta = 1) ⇒ Gamma

Returns a new instance of Gamma.

# File 'lib/distrb/gamma.rb', line 12

def initialize alpha, beta = 1
  @sampler = MarsagliaTsang.new alpha, beta
end

Instance Attribute Details

#sampler ⇒ Object (readonly)

Returns the value of attribute sampler.

# File 'lib/distrb/gamma.rb', line 10

def sampler
  @sampler
end