Class: ERV::RandomVariable

Inherits:
Object show all
Defined in:
lib/erv/random_variable.rb

Instance Method Summary collapse

Constructor Details

#initialize(opts) ⇒ RandomVariable

Returns a new instance of RandomVariable.



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# File 'lib/erv/random_variable.rb', line 15

def initialize(opts)
  # get distribution name
  dist_name = opts[:distribution].try(:to_s)

  # get class name that corresponds to the requested distribution
  klass_name = dist_name.split('_').push('distribution').map(&:capitalize).join
  # create distribution object
  @dist = ERV.const_get(klass_name).new(opts)
end

Instance Method Details

#next ⇒ Object 



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# File 'lib/erv/random_variable.rb', line 25

def next
  @dist.sample
end