X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fanalysis%2FAAFrequency.java;h=f409f8c59e50d43aa675c63aedda44a0e46799f8;hb=bb9b4018d314ed5858504faf2bc848178bc9f6a9;hp=c1c4f71cfb5922eeb5139fb861895800615fc5ed;hpb=9832a6ac361db1a51c020ef1ebdb7f495676c72d;p=jalview.git

diff --git a/src/jalview/analysis/AAFrequency.java b/src/jalview/analysis/AAFrequency.java
index c1c4f71..f409f8c 100755
--- a/src/jalview/analysis/AAFrequency.java
+++ b/src/jalview/analysis/AAFrequency.java
@@ -76,7 +76,7 @@ public static final void calculate(SequenceI[] sequences,
   {
     residueHash = new Hashtable();
     maxCount = 0;
-    maxResidue = "-";
+    maxResidue = "";
     nongap = 0;
     values = new int[132];
 
@@ -112,7 +112,7 @@ public static final void calculate(SequenceI[] sequences,
 
     for (v = 'A'; v < 'Z'; v++)
     {
-      if (values[v] == 0 || values[v] < maxCount)
+      if (values[v] < 2 || values[v] < maxCount)
         continue;
 
       if (values[v] > maxCount)
@@ -126,6 +126,8 @@ public static final void calculate(SequenceI[] sequences,
       maxCount = values[v];
     }
 
+    if(maxResidue.length()==0)
+      maxResidue = "-";
 
     residueHash.put(MAXCOUNT, new Integer(maxCount));
     residueHash.put(MAXRESIDUE, maxResidue);