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()); }