X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=forester%2Fjava%2Fsrc%2Forg%2Fforester%2Futil%2FBasicDescriptiveStatistics.java;h=240d43975aef52bf247841f5a0f1ac185dbbfc9f;hb=cc75486aa58b98ab6fa53d8de4cb9b984a86bf83;hp=dbb1db9d1b4e785e5c0dd0a55225d4cbfe21952d;hpb=9a9e40a5768c100cbbb70e32a2637c82890d2d53;p=jalview.git

diff --git a/forester/java/src/org/forester/util/BasicDescriptiveStatistics.java b/forester/java/src/org/forester/util/BasicDescriptiveStatistics.java
index dbb1db9..240d439 100644
--- a/forester/java/src/org/forester/util/BasicDescriptiveStatistics.java
+++ b/forester/java/src/org/forester/util/BasicDescriptiveStatistics.java
@@ -195,7 +195,7 @@ public class BasicDescriptiveStatistics implements DescriptiveStatistics {
     public double sampleVariance() {
         validate();
         if ( getN() < 2 ) {
-            throw new ArithmeticException( "attempt to calculate sample variance for less then two values" );
+            return 0;
         }
         return ( sumDeviations() / ( getN() - 1 ) );
     }