internal void parse_command_line(string[] argv)
{
int i;
// eps: see setting below
Parameter = new Parameter(SolverType.getById(SolverType.L2R_L2LOSS_SVC_DUAL), 1, Double.PositiveInfinity, 0.1);
// default values
Bias = -1;
cross_validation = false;
// parse options
for (i = 0; i < argv.Length; i++) {
if (argv[i][0] != '-') break;
if (++i >= argv.Length) exit_with_help();
switch (argv[i - 1][1]) {
case 's':
Parameter.solverType = SolverType.getById(Linear.atoi(argv[i]));
break;
case 'c':
Parameter.setC(Linear.atof(argv[i]));
break;
case 'p':
Parameter.setP(Linear.atof(argv[i]));
break;
case 'e':
Parameter.setEps(Linear.atof(argv[i]));
break;
case 'B':
Bias = Linear.atof(argv[i]);
break;
case 'w':
int weightLabel = int.Parse(argv[i - 1].Substring(2));
double weight = double.Parse(argv[i]);
Parameter.weightLabel = addToArray(Parameter.weightLabel, weightLabel);
Parameter.weight = addToArray(Parameter.weight, weight);
break;
case 'v':
cross_validation = true;
nr_fold = int.Parse(argv[i]);
if (nr_fold < 2) {
Console.Error.WriteLine("n-fold cross validation: n must >= 2");
exit_with_help();
}
break;
case 'q':
i--;
Linear.disableDebugOutput();
break;
default:
Console.Error.WriteLine("unknown option");
exit_with_help();
break;
}
}
// determine filenames
if (i >= argv.Length) exit_with_help();
inputFilename = argv[i];
if (i < argv.Length - 1)
modelFilename = argv[i + 1];
else {
int p = argv[i].LastIndexOf('/');
++p; // whew...
modelFilename = argv[i].Substring(p) + ".model";
}
if (Parameter.eps == Double.PositiveInfinity) {
switch (Parameter.solverType.getId()) {
case SolverType.L2R_LR:
case SolverType.L2R_L2LOSS_SVC:
Parameter.setEps(0.01);
break;
case SolverType.L2R_L2LOSS_SVR:
Parameter.setEps(0.001);
break;
case SolverType.L2R_L2LOSS_SVC_DUAL:
case SolverType.L2R_L1LOSS_SVC_DUAL:
case SolverType.MCSVM_CS:
case SolverType.L2R_LR_DUAL:
Parameter.setEps(0.1);
break;
case SolverType.L1R_L2LOSS_SVC:
case SolverType.L1R_LR:
Parameter.setEps(0.01);
break;
case SolverType.L2R_L1LOSS_SVR_DUAL:
case SolverType.L2R_L2LOSS_SVR_DUAL:
Parameter.setEps(0.1);
break;
default:
throw new InvalidOperationException("unknown solver type: " + Parameter.solverType);
}
}
}
internal void parse_command_line(string[] argv)
{
int i;
// eps: see setting below
Parameter = new Parameter(SolverType.getById(SolverType.L2R_L2LOSS_SVC_DUAL), 1, Double.PositiveInfinity, 0.1);
// default values
Bias = -1;
cross_validation = false;
// parse options
for (i = 0; i < argv.Length; i++)
{
if (argv[i][0] != '-')
{
break;
}
if (++i >= argv.Length)
{
exit_with_help();
}
switch (argv[i - 1][1])
{
case 's':
Parameter.solverType = SolverType.getById(Linear.atoi(argv[i]));
break;
case 'c':
Parameter.setC(Linear.atof(argv[i]));
break;
case 'p':
Parameter.setP(Linear.atof(argv[i]));
break;
case 'e':
Parameter.setEps(Linear.atof(argv[i]));
break;
case 'B':
Bias = Linear.atof(argv[i]);
break;
case 'w':
int weightLabel = int.Parse(argv[i - 1].Substring(2));
double weight = double.Parse(argv[i]);
Parameter.weightLabel = addToArray(Parameter.weightLabel, weightLabel);
Parameter.weight = addToArray(Parameter.weight, weight);
break;
case 'v':
cross_validation = true;
nr_fold = int.Parse(argv[i]);
if (nr_fold < 2)
{
Console.Error.WriteLine("n-fold cross validation: n must >= 2");
exit_with_help();
}
break;
case 'q':
i--;
Linear.disableDebugOutput();
break;
default:
Console.Error.WriteLine("unknown option");
exit_with_help();
break;
}
}
// determine filenames
if (i >= argv.Length)
{
exit_with_help();
}
inputFilename = argv[i];
if (i < argv.Length - 1)
{
modelFilename = argv[i + 1];
}
else
{
int p = argv[i].LastIndexOf('/');
++p; // whew...
modelFilename = argv[i].Substring(p) + ".model";
}
if (Parameter.eps == Double.PositiveInfinity)
{
switch (Parameter.solverType.getId())
{
case SolverType.L2R_LR:
case SolverType.L2R_L2LOSS_SVC:
Parameter.setEps(0.01);
break;
case SolverType.L2R_L2LOSS_SVR:
Parameter.setEps(0.001);
break;
case SolverType.L2R_L2LOSS_SVC_DUAL:
case SolverType.L2R_L1LOSS_SVC_DUAL:
case SolverType.MCSVM_CS:
case SolverType.L2R_LR_DUAL:
Parameter.setEps(0.1);
break;
case SolverType.L1R_L2LOSS_SVC:
case SolverType.L1R_LR:
Parameter.setEps(0.01);
break;
case SolverType.L2R_L1LOSS_SVR_DUAL:
case SolverType.L2R_L2LOSS_SVR_DUAL:
Parameter.setEps(0.1);
break;
default:
throw new InvalidOperationException("unknown solver type: " + Parameter.solverType);
}
}
}
