/**
* Removes a specified number of instances from the given set of instances.
*
* @param data given instances
* @param numRemove number of instances to delete from the given instances
*/
protected void removeInstances(Instances data, int numRemove) {
int num = data.numInstances();
for (int i = num - 1; i > num - 1 - numRemove; i--) {
data.delete(i);
}
}
