comparison core/tools/test_generic_significance_signrank.m @ 0:e9a9cd732c1e tip

first hg version after svn

+function [p, med, avg, stats] = test_generic_significance_signrank(file1,run1,file2,run2, weighted, mode)
+% 
+% [p, med] = test_generic_get_signrank(input1, run1, input2, run2, weighted, mode)
+%
+% @param mode: string determining the way results are preprocessed: 
+%              '', 'avgbase', {'join_datasets',[sets2join]}           
+%
+% get wilcoxon signed rank of two test runs
+
+if nargin < 5
+    weighted = 0;
+end
+if nargin < 6
+    avgbase = 0;
+end
+
+
+
+% get individual cross-validation results
+[out1, ~, ~, indi1] = test_generic_display_results(file1, 0, 0);
+
+[out2, ~, ~, indi2] = test_generic_display_results(file2, 0, 0);
+switch mode
+    case 'avgbase'
+    
+        %out2(run2).mean_ok_test
+        perf1 = indi1(run1).diag.ok_test(weighted+1,:);
+        perf2 = indi2(run2).diag.ok_test(weighted+1,:);
+        p2avg = mean(perf2);
+        perf_diffs = perf1 - p2avg;
+
+
+    case 'join_datasets'
+        %out2(run2).mean_ok_test
+        
+        % get the dataset indices which are to join
+        if isempty(run1) | (run1 < 1)
+            sets2join1 = 1:numel(indi1);
+        else
+            sets2join1 = run1;
+        end
+        if isempty(run2) | (run2 < 1)
+            sets2join2 = 1:numel(indi2);
+        else
+            sets2join2 = run2;
+        end
+        
+        perf1 = join_datasets(indi1,weighted,sets2join1);
+        perf2 = join_datasets(indi2,weighted,sets2join2);
+        perf_diffs = perf1 - perf2;
+
+    otherwise
+        % get difference of individual results
+        perf_diffs = indi1(run1).diag.ok_test(weighted+1,:) - indi2(run2).diag.ok_test(weighted+1,:);       
+end
+
+[p, h, stats] = signrank(perf_diffs );
+% [p, h] = signtest(perf1,perf2);
+% [h, p, stats] = kstest2(perf1,perf2);
+% [h2,p2] = ttest(perf_diffs);
+        
+% get median of performance difference
+med = median(perf_diffs);
+
+% get median of performance difference
+avg = mean(perf_diffs);
+
+% output interpretation
+if h && med > 0
+    fprintf('input 1 >> input 2 :)\n');
+elseif h && med < 0
+    fprintf('input 2 >> input 1 ;)\n');
+else
+    fprintf('no significant difference :( \n');
+end
+
+
+% ---
+% joins the test data to a single performance vector
+% ---
+function perf = join_datasets(indi,weighted, sets2join)
+perf = [];
+
+for i = sets2join
+    perf = [perf indi(i).diag.ok_test(weighted+1,:)];
+end
+    
+