diff options
Diffstat (limited to 'report/statistical_test.rb')
| -rw-r--r-- | report/statistical_test.rb | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/report/statistical_test.rb b/report/statistical_test.rb index 5e5ea3a..8d6bd62 100644 --- a/report/statistical_test.rb +++ b/report/statistical_test.rb @@ -9,8 +9,8 @@ module LIB # 1 -> array2 > array1 # def self.pairedTTest(array1, array2, significance_level=0.95) - - @@r = RinRuby.new(true,false) unless defined?(@@r) and @@r + + @@r = RinRuby.new(true,false) unless defined?(@@r) and @@r @@r.assign "v1",array1 @@r.assign "v2",array2 @@r.eval "ttest = t.test(v1,v2,paired=T)" @@ -38,7 +38,7 @@ module Reports class ReportStatisticalTest # __grouped_validations__ : array of validation arrays - def self.test_matrix( validations, group_attribute, test_attribute, test_method="paired_ttest", significance_level=0.95 ) + def self.test_matrix( validations, group_attribute, test_attribute, class_value, test_method="paired_ttest", significance_level=0.95 ) raise "statistical-test: '"+test_method+"' does not exist" unless ReportStatisticalTest.respond_to?(test_method) grouped_validations = Reports::Util.group(validations, [group_attribute]) @@ -60,17 +60,17 @@ module Reports validations2 = grouped_validations[j] title2 = validations2[0].send(group_attribute) matrix[i][j] = ReportStatisticalTest.send(test_method,validations1,validations2, - test_attribute, significance_level) + test_attribute, class_value, significance_level) end end end - {:titles => titles, :matrix => matrix} + {:titles => titles, :matrix => matrix, :num_results => grouped_validations[0].size} end - def self.paired_ttest( validations1, validations2, attribute, significance_level=0.95 ) + def self.paired_ttest( validations1, validations2, attribute, class_value, significance_level=0.95 ) - array1 = validations1.collect{ |v| v.send(attribute) } - array2 = validations2.collect{ |v| v.send(attribute) } + array1 = validations1.collect{ |v| (v.send(attribute).is_a?(Hash) ? v.send(attribute)[class_value] : v.send(attribute)) } + array2 = validations2.collect{ |v| (v.send(attribute).is_a?(Hash) ? v.send(attribute)[class_value] : v.send(attribute)) } LOGGER.debug "paired-t-testing "+attribute.to_s+" "+array1.inspect+" vs "+array2.inspect LIB::StatisticalTest.pairedTTest(array1, array2, significance_level) end @@ -83,5 +83,12 @@ module Reports end -#puts LIB::StatisticalTest.pairedTTest([1,2,3],[2,3,3]) +#t1 = Time.new +#10.times do +# puts LIB::StatisticalTest.pairedTTest([1,2,3,4,5,12,4,2],[2,3,3,3,56,3,4,5]) +#end +#LIB::StatisticalTest.quitR +#t2 = Time.new +#puts t2-t1 + |