Class: Fathom::MonteCarloSet

Inherits:
Object
  • Object
show all
Defined in:
lib/fathom/monte_carlo_set.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(value_description) ⇒ MonteCarloSet

Returns a new instance of MonteCarloSet.



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# File 'lib/fathom/monte_carlo_set.rb', line 20

def initialize(value_description)
  @value_description = value_description
  @samples = {}
end

Instance Attribute Details

#samples ⇒ Object (readonly)

Returns the value of attribute samples.



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# File 'lib/fathom/monte_carlo_set.rb', line 18

def samples
  @samples
end

#samples_taken ⇒ Object (readonly)

Returns the value of attribute samples_taken.



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# File 'lib/fathom/monte_carlo_set.rb', line 18

def samples_taken
  @samples_taken
end

#value_description ⇒ Object (readonly)

Returns the value of attribute value_description.



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# File 'lib/fathom/monte_carlo_set.rb', line 18

def value_description
  @value_description
end

Class Method Details

.define_key(key) ⇒ Object 



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# File 'lib/fathom/monte_carlo_set.rb', line 5

def define_key(key)
  define_method(key.to_sym) do
    self.samples[key.to_sym]
  end
end

.define_summary_method(field) ⇒ Object 



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# File 'lib/fathom/monte_carlo_set.rb', line 11

def define_summary_method(field)
  define_method("#{field}_summary".to_sym) do
    self.summary(field.to_sym)
  end
end

Instance Method Details

#fields ⇒ Object 



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# File 'lib/fathom/monte_carlo_set.rb', line 39

def fields
  @samples.keys
end

#print_summary ⇒ Object 



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# File 'lib/fathom/monte_carlo_set.rb', line 51

def print_summary
  print_hash(self.summary)
end

#process(n = 10_000) ⇒ Object 



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# File 'lib/fathom/monte_carlo_set.rb', line 25

def process(n=10_000)
  @samples_taken = n
  @samples_taken.times do
    result = value_description.process
    store(result)
  end
  assert_sample_vectors
end

#reset! ⇒ Object 



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# File 'lib/fathom/monte_carlo_set.rb', line 34

def reset!
  @samples = {}
  @keys_asserted = nil
end

#summary(field = nil) ⇒ Object 



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# File 'lib/fathom/monte_carlo_set.rb', line 43

def summary(field=nil)
  return summarize_field(field) if field
  fields.inject({}) do |h, field|
    h[field] = summarize_field(field)
    h
  end
end