Refs #124. Fix mann-whitney less/greater swap.

Author: mikekucera

EnrichmentMapPlugin/src/main/java/org/baderlab/csplugins/enrichmentmap/FilterParameters.java

@@ -18,8 +18,8 @@ public enum FilterType {
     	NO_FILTER("-- no filter --", 0.0),
     	HYPERGEOM("Hypergeometric Test", 0.05),
     	MANN_WHIT_TWO_SIDED("Mann-Whitney (Two-Sided)", 0.05), 
-    	MANN_WHIT_GREATER("Mann-Whitney (One-Sided Less)", 0.05), 
-    	MANN_WHIT_LESS("Mann-Whitney (One-Sided Greater)", 0.05), 
+    	MANN_WHIT_GREATER("Mann-Whitney (One-Sided Greater)", 0.05), 
+    	MANN_WHIT_LESS("Mann-Whitney (One-Sided Less)", 0.05), 
     	NUMBER("Overlap has at least X genes", 5), 
     	PERCENT("Overlap is X percent of EM gs", 25),
     	SPECIFIC("Overlap is X percent of Sig gs", 25);

EnrichmentMapPlugin/src/main/java/org/baderlab/csplugins/mannwhit/MannWhitneyUTestSided.java

@@ -200,7 +200,7 @@ private double calculateAsymptoticPValue(final double Umin,
         	return p;
         }
 
-        if(side == Type.GREATER) {
+        if(side == Type.LESS) {
         	if(z > 0) {
         		return 0.5 * p;
         	} else {