Justin Goldsmith created DROOLS-2554: ---------------------------------------- Summary: variance accumulate never escapes NaN Key: DROOLS-2554 URL: https://issues.jboss.org/browse/DROOLS-2554 Project: Drools Issue Type: Bug Reporter: Justin Goldsmith Assignee: Edson Tirelli If you accumulate a single fact, then it gets reversed, this result never escapes being NaN. -- This message was sent by Atlassian JIRA (v7.5.0#75005)