[DL-Learner SVN] SF.net SVN: dl-learner:[1659] trunk/src/dl-learner/org/dllearner/ learningproblems/ClassLearningProblem.java

[<jen...@us...>]

Revision: 1659
          http://dl-learner.svn.sourceforge.net/dl-learner/?rev=1659&view=rev
Author:   jenslehmann
Date:     2009-03-23 14:03:26 +0000 (Mon, 23 Mar 2009)

Log Message:
-----------
fixed incorrect handling of borderline case in accuracy computation

Modified Paths:
--------------
    trunk/src/dl-learner/org/dllearner/learningproblems/ClassLearningProblem.java

Modified: trunk/src/dl-learner/org/dllearner/learningproblems/ClassLearningProblem.java
===================================================================
--- trunk/src/dl-learner/org/dllearner/learningproblems/ClassLearningProblem.java	2009-03-23 10:35:06 UTC (rev 1658)
+++ trunk/src/dl-learner/org/dllearner/learningproblems/ClassLearningProblem.java	2009-03-23 14:03:26 UTC (rev 1659)
@@ -149,7 +149,7 @@
 		}
 		
 		double coverage = coveredInstances.size()/(double)classInstances.size();
-		double protusion = additionalInstances.size() == 0 ? 0 : coveredInstances.size()/(double)(coveredInstances.size()+additionalInstances.size());
+		double protusion = (additionalInstances.size() + coveredInstances.size() == 0) ? 0 : coveredInstances.size()/(double)(coveredInstances.size()+additionalInstances.size());
 		
 		return new ClassScore(coveredInstances, coverage, additionalInstances, protusion, getAccuracy(coverage, protusion));
 	}	


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