Method: Statsample::Crosstab#frequencies

Defined in:
lib/statsample/crosstab.rb

#frequencies ⇒ Object 



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# File 'lib/statsample/crosstab.rb', line 38

def frequencies
  base = rows_names.inject([]) do |s,row| 
    s += cols_names.collect { |col| [row,col] }
  end.inject({}) do |s,par|
    s[par]=0
    s
  end
  base.update(Daru::Vector.new(Statsample::vector_cols_matrix(@v_rows,@v_cols).to_a).frequencies.to_h)
end