loadFromModel method
Reconstructs the encoder from an EncoderModel.
Implementation
void loadFromModel(EncoderModel model) {
if (model.type != 'label') {
throw ArgumentError('Incompatible model type: ${model.type}');
}
_labelToIndex = model.labelToIndex;
_indexToLabel = {
for (var entry in _labelToIndex.entries) entry.value: entry.key
};
_isFitted = true;
}