@Override
public void trainOnInstanceImpl(Instance inst) {
double lambda_d = 1.0;
for (int i = 0; i < this.ensemble.length; i++) {
double k =
this.pureBoostOption.isSet()
? lambda_d
: MiscUtils.poisson(lambda_d, this.classifierRandom);
if (k > 0.0) {
Instance weightedInst = (Instance) inst.copy();
weightedInst.setWeight(inst.weight() * k);
this.ensemble[i].trainOnInstance(weightedInst);
}
if (this.ensemble[i].correctlyClassifies(inst)) {
this.scms[i] += lambda_d;
lambda_d *= this.trainingWeightSeenByModel / (2 * this.scms[i]);
} else {
this.swms[i] += lambda_d;
lambda_d *= this.trainingWeightSeenByModel / (2 * this.swms[i]);
}
}
}
