protected override string instanceToLibsvm(weka.core.Instance inst)
{
//StringBuffer.__<clinit>();
//StringBuffer buffer = new StringBuffer(new StringBuilder().append("").append(inst.classValue()).toString());
StringBuffer buffer = new StringBuffer(new StringBuilder().append("").append(inst.classValue() - 1).toString());
for (int i = 0; i < inst.numAttributes(); i++)
{
if ((i != inst.classIndex()) && (inst.value(i) != 0f))
{
buffer.append(new StringBuilder().append(" ").append((int)(i + 1)).append(":").append(inst.value(i)).toString());
}
}
return buffer.toString();
}