Group group = gbuilder.withName("Options").withOption(inputOpt).withOption(outputOpt).withOption(
measureClassOpt).withOption(convergenceDeltaOpt).withOption(maxIterationsOpt)
.withOption(vectorClassOpt).withOption(t1Opt).withOption(t2Opt).withOption(helpOpt).create();
try {
Parser parser = new Parser();
parser.setGroup(group);
CommandLine cmdLine = parser.parse(args);
if (cmdLine.hasOption(helpOpt)) {
CommandLineUtil.printHelp(group);
return;
}