Method: Statsample::StratifiedSample#proportion

Defined in:
lib/statsample/multiset.rb

#proportion(field, v = 1) ⇒ Object

Population proportion based on strata


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# File 'lib/statsample/multiset.rb', line 234

def proportion(field, v=1)
  @ms.sum_field(field) {|s_name,vector|
  stratum_ponderation(s_name)*vector.proportion(v)
  }
end