enu = instances.enumerateInstances();
while(enu.hasMoreElements())
{
Instance temp = (Instance)enu.nextElement();
logger.info("Parsing " + temp);
if(temp.numValues()!=3) throw new Exception("Group-Strategy assignment line does not have 3 elements. This is illegal.");
Double[] strGrpInstance = new Double[3];
for(int i=0;i<temp.numValues();i++)
{
//number of values == 3
strGrpInstance[i] = temp.value(i);