DO NOT REPLY TO THIS EMAIL, BUT PLEASE POST YOUR BUG· RELATED COMMENTS THROUGH THE WEB INTERFACE AVAILABLE AT <http://issues.apache.org/bugzilla/show_bug.cgi?id=39432>. ANY REPLY MADE TO THIS MESSAGE WILL NOT BE COLLECTED AND· INSERTED IN THE BUG DATABASE.
http://issues.apache.org/bugzilla/show_bug.cgi?id=39432 Summary: [math] SimpleRegression getSumSquaredErrors Product: Commons Version: 1.1.0 Platform: PC OS/Version: Windows 2000 Status: NEW Severity: normal Priority: P2 Component: Math AssignedTo: [email protected] ReportedBy: [EMAIL PROTECTED] getSumSquaredErrors returns -ve value. See test below: public void testSimpleRegression() { double[] y = { 8915.102, 8919.302, 8923.502}; double[] x = { 1.107178495, 1.107264895, 1.107351295}; double[] x2 = { 1.107178495E2, 1.107264895E2, 1.107351295E2}; SimpleRegression reg = new SimpleRegression(); for (int i = 0; i < x.length; i++) { reg.addData(x[i],y[i]); } assertTrue(reg.getSumSquaredErrors() >= 0.0); // OK reg.clear(); for (int i = 0; i < x.length; i++) { reg.addData(x2[i],y[i]); } assertTrue(reg.getSumSquaredErrors() >= 0.0); // FAIL } -- Configure bugmail: http://issues.apache.org/bugzilla/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug, or are watching the assignee. --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
