def getSingleEmission(observations, v):
if ('ocpEmission', observations, v) not in singleCountEmission:
if observations == boundaryWord and v == boundaryState:
ocp = 1.0
elif v == boundaryState:
ocp = 0.0
else:
singleCountLambda = len(singletonEmissions[v])
singleCountLambda = addLambda if singleCountLambda == 0 else singleCountLambda
if observations not in currentMLEs[obsVocab]:
V = len(currentMLEs[obsVocab])
addOnePW = 1.0 / float(currentMLEs[N1] - 1 + V)
else:
V = len(currentMLEs[obsVocab])
addOnePW = (currentMLEs[('countObserved', observations)] + 1.0) / float(currentMLEs[N1] - 1 + V)
countObservedV = currentMLEs.get(('emission', observations, v), 0.0)
countV = currentMLEs[('emissionsFrom', v)]
if countV == 0:
pdb.setTrace()
ocp = (countObservedV + singleCountLambda * addOnePW) / float(countV + singleCountLambda)
if ocp == 0 and v != boundaryState and observations != boundaryWord:
pdb.setTrace()
raise "Single count smoothed probability for emission is 0"
singleCountEmission[('ocpEmission', observations, v)] = log(ocp) if ocp > 0.0 else float('-inf')
return singleCountEmission[('ocpEmission', observations, v)]
def getSingleTransitions(v, u):
if ('ocpTransition', v, u) not in singleCountTransition:
singleCountLambda = len(singletonTransitions[u])
singleCountLambda = addLambda if singleCountLambda == 0 else singleCountLambda
countUV = currentMLEs.get(('transition', v, u), 0.0)
countU = currentMLEs[('countState', u)] if u != boundaryState else (currentMLEs[('transitionsFrom', u)] )
countV = currentMLEs[('countState', v)] if v != boundaryState else (currentMLEs[('transitionsFrom', v)] )
unsmoothedPV = countV / (currentMLEs[N1] - 1.0)
ocp = (countUV + singleCountLambda * unsmoothedPV) / float(countU + singleCountLambda)
if ocp == 0:
pdb.setTrace()
raise "This is the single count smoothed probability for transition 0"
singleCountTransition[('ocpTransition', v, u)] = log(ocp)
return singleCountTransition[('ocpTransition', v, u)]
def fishRemove(self, code):
spawnId = int(code[1:len(code)])
spawnerId = int(code[0])
if self.spawners[spawnerId].fishArray.has_key(spawnId):
fish = self.spawners[spawnerId].fishArray[spawnId]
fish.specialLerp.finish()
fish.moveLerp.finish()
fish.specialLerp = None
fish.moveLerp = None
fish.removeNode()
del fish
del self.spawners[spawnerId].fishArray[spawnId]
else:
import pdb as pdb
pdb.setTrace()
def fishRemove(self, code):
spawnId = int(code[1:len(code)])
spawnerId = int(code[0])
if self.spawners[spawnerId].fishArray.has_key(spawnId):
fish = self.spawners[spawnerId].fishArray[spawnId]
fish.specialLerp.finish()
fish.moveLerp.finish()
fish.specialLerp = None
fish.moveLerp = None
fish.removeNode()
del fish
del self.spawners[spawnerId].fishArray[spawnId]
else:
import pdb as pdb
pdb.setTrace()