Contents

module Statsample
    # module for several statistical tests 
    module Test
        # Calculate chi square for two Matrix
        class << self
            def chi_square(real,expected)
                raise TypeError, "Both argument should be Matrix" unless real.is_a? Matrix and expected.is_a?Matrix
                sum=0
                (0...real.row_size).each {|row_i|
                    (0...real.column_size).each {|col_i|
					
                        val=((real[row_i,col_i].to_f - expected[row_i,col_i].to_f)**2) / expected[row_i,col_i].to_f
                        # puts "Real: #{real[row_i,col_i].to_f} ; esperado: #{expected[row_i,col_i].to_f}"
						# puts "Diferencial al cuadrado: #{(real[row_i,col_i].to_f - expected[row_i,col_i].to_f)**2}"
                        sum+=val
                    }
                }
                sum
            end
            def t_significance
                
            end
        end
    end
end

Version data entries

9 entries across 9 versions & 1 rubygems

Version	Path
statsample-0.5.1	lib/statsample/test.rb
statsample-0.5.0	lib/statsample/test.rb
statsample-0.4.1	lib/statsample/test.rb
statsample-0.4.0	lib/statsample/test.rb
statsample-0.3.4	lib/statsample/test.rb
statsample-0.3.3	lib/statsample/test.rb
statsample-0.3.0	lib/statsample/test.rb
statsample-0.3.1	lib/statsample/test.rb
statsample-0.3.2	lib/statsample/test.rb