How to use

indices

method

in

ml.dmlc.xgboost4j.LabeledPoint

label[i] = labeledPoint.label();
weight[i] = labeledPoint.weight();
if (labeledPoint.indices() != null) {
 System.arraycopy(labeledPoint.indices(), 0, featureIndex, offset,
     labeledPoint.indices().length);
} else {
 for (int j = 0; j < labeledPoint.values().length; j++) {

label[i] = labeledPoint.label();
weight[i] = labeledPoint.weight();
if (labeledPoint.indices() != null) {
 System.arraycopy(labeledPoint.indices(), 0, featureIndex, offset,
     labeledPoint.indices().length);
} else {
 for (int j = 0; j < labeledPoint.values().length; j++) {

label[i] = labeledPoint.label();
weight[i] = labeledPoint.weight();
if (labeledPoint.indices() != null) {
 System.arraycopy(labeledPoint.indices(), 0, featureIndex, offset,
     labeledPoint.indices().length);
} else {
 for (int j = 0; j < labeledPoint.values().length; j++) {