@Override
public void initialize() {
super.initialize();
// Determine what parameters are constants or edges, and save the state
determineParameterConstantsAndEdges();
// Pre-compute statistics associated with any constant output values
_constantOutputCounts = null;
if (_hasConstantOutputs) {
FactorFunction factorFunction = _factor.getFactorFunction();
Object[] constantValues = factorFunction.getConstants();
int[] constantIndices = factorFunction.getConstantIndices();
_constantOutputCounts = new int[_numParameters];
for (int i = 0; i < constantIndices.length; i++) {
if (_hasFactorFunctionConstructorConstants || constantIndices[i] >= _numParameters) {
int outputValue = FactorFunctionUtilities.toInteger(constantValues[i]);
_constantOutputCounts[outputValue]++; // Histogram among constant outputs
}
}
}
}
