def convertInstanceNominal(self, instance: Instance):
if not self.m_needToTransform:
self.push(instance, False)
return
vals = [0] * self.outputFormatPeek().numAttributes()
attSoFar = 0
for j in range(self.getInputFormat().numAttributes()):
att = self.getInputFormat().attribute(j)
if not att.isNominal() or j == self.getInputFormat().classIndex():
vals[attSoFar] = instance.value(j)
attSoFar += 1
else:
if att.numValues() <= 2 and not self.m_TransformAll:
vals[attSoFar] = instance.value(j)
attSoFar += 1
else:
if instance.isMissing(j):
for k in range(att.numValues()):
vals[attSoFar + k] = instance.value(j)
else:
for k in range(att.numValues()):
if k == int(instance.value(j)):
vals[attSoFar + k] = 1
else:
vals[attSoFar + k] = 0
attSoFar += att.numValues()
inst = Instance(instance.weight(), vals)
self.copyValues(inst, False, instance.dataset(),
self.outputFormatPeek())
self.push(inst)