@Override
public double residual(final Object b, final Dataset w, boolean ignoreNaNs) {
Dataset bds = b instanceof Dataset ? (Dataset) b : DatasetFactory.createFromObject(b);
final BroadcastIterator it = BroadcastIterator.createIterator(this, bds);
double sum = 0;
{
if (w == null) {
while (it.hasNext()) {
if (data[it.aIndex] ^ bds.getElementBooleanAbs(it.bIndex)) sum++;
}
} else {
IndexIterator itw = w.getIterator();
double comp = 0;
while (it.hasNext() && itw.hasNext()) {
if (data[it.aIndex] ^ bds.getElementBooleanAbs(it.bIndex)) {
final double err = w.getElementDoubleAbs(itw.index) - comp;
final double temp = sum + err;
comp = (temp - sum) - err;
sum = temp;
}
}
}
}
return sum;
}
/** AND */
@Override
public BooleanDataset imultiply(final Object b) {
Dataset bds = b instanceof Dataset ? (Dataset) b : DatasetFactory.createFromObject(b);
final BroadcastIterator it = BroadcastIterator.createIterator(this, bds);
while (it.hasNext()) {
data[it.aIndex] &= bds.getElementBooleanAbs(it.bIndex);
}
setDirty();
return this;
}