def env_init(self):
"""
Based on the levin model, the dispersion probability is initialized.
"""
self.dispersionModel = InvasiveUtility.Levin
notDirectedG = networkx.Graph(self.simulationParameterObj.graph)
adjMatrix = adjacency_matrix(notDirectedG)
edges = self.simulationParameterObj.graph.edges()
simulationParameterObj = self.simulationParameterObj
if self.dispersionModel == InvasiveUtility.Levin:
parameters = InvasiveUtility.calculatePath(notDirectedG,adjMatrix, edges, simulationParameterObj.downStreamRate,
simulationParameterObj.upStreamRate)
C = (1 - simulationParameterObj.upStreamRate * simulationParameterObj.downStreamRate) / (
(1 - 2 * simulationParameterObj.upStreamRate) * (1 - simulationParameterObj.downStreamRate))
self.dispertionTable = np.dot(1 / C, parameters)
self.germinationObj = GerminationDispersionParameterClass(1, 1)
#calculating the worst case fully invaded rivers cost
worst_case = repmat(1, 1, self.simulationParameterObj.nbrReaches * self.simulationParameterObj.habitatSize)[0]
cost_state_unit = InvasiveUtility.get_unit_invaded_reaches(worst_case,
self.simulationParameterObj.habitatSize) * self.actionParameterObj.costPerReach
stateCost = cost_state_unit + InvasiveUtility.get_invaded_reaches(
worst_case) * self.actionParameterObj.costPerTree
stateCost = stateCost + InvasiveUtility.get_empty_slots(worst_case) * self.actionParameterObj.emptyCost
costAction = InvasiveUtility.get_budget_cost_actions(repmat(3, 1, self.simulationParameterObj.nbrReaches)[0],
worst_case, self.actionParameterObj)
networkx.adjacency_matrix(self.simulationParameterObj.graph)
return "VERSION RL-Glue-3.0 PROBLEMTYPE non-episodic DISCOUNTFACTOR " + str(
self.discountFactor) + " OBSERVATIONS INTS (" + str(
self.simulationParameterObj.nbrReaches * self.simulationParameterObj.habitatSize) + " 1 3) ACTIONS INTS (" + str(
self.simulationParameterObj.nbrReaches) + " 1 4) REWARDS (" + str(self.Bad_Action_Penalty)+" "+str(
-1 * (costAction + stateCost)) + ") EXTRA "+str(self.simulationParameterObj.graph.edges()) + " BUDGET "+str(self.actionParameterObj.budget) +" by Majid Taleghan."
def env_init(self):
"""
Based on the levin model, the dispersion probability is initialized.
"""
self.dispersionModel = InvasiveUtility.Levin
notDirectedG = networkx.Graph(self.simulationParameterObj.graph)
adjMatrix = adjacency_matrix(notDirectedG)
edges = self.simulationParameterObj.graph.edges()
simulationParameterObj = self.simulationParameterObj
if self.dispersionModel == InvasiveUtility.Levin:
parameters = InvasiveUtility.calculatePath(notDirectedG,adjMatrix, edges, simulationParameterObj.downStreamRate,
simulationParameterObj.upStreamRate)
C = (1 - simulationParameterObj.upStreamRate * simulationParameterObj.downStreamRate) / (
(1 - 2 * simulationParameterObj.upStreamRate) * (1 - simulationParameterObj.downStreamRate))
self.dispertionTable = np.dot(1 / C, parameters)
self.germinationObj = GerminationDispersionParameterClass(1, 1)
#calculating the worst case fully invaded rivers cost
worst_case = repmat(1, 1, self.simulationParameterObj.nbrReaches * self.simulationParameterObj.habitatSize)[0]
cost_state_unit = InvasiveUtility.get_unit_invaded_reaches(worst_case,
self.simulationParameterObj.habitatSize) * self.actionParameterObj.costPerReach
stateCost = cost_state_unit + InvasiveUtility.get_invaded_reaches(
worst_case) * self.actionParameterObj.costPerTree
stateCost = stateCost + InvasiveUtility.get_empty_slots(worst_case) * self.actionParameterObj.emptyCost
costAction = InvasiveUtility.get_budget_cost_actions(repmat(3, 1, self.simulationParameterObj.nbrReaches)[0],
worst_case, self.actionParameterObj)
networkx.adjacency_matrix(self.simulationParameterObj.graph)
return "VERSION RL-Glue-3.0 PROBLEMTYPE non-episodic DISCOUNTFACTOR " + str(
self.discountFactor) + " OBSERVATIONS INTS (" + str(
self.simulationParameterObj.nbrReaches * self.simulationParameterObj.habitatSize) + " 1 3) ACTIONS INTS (" + str(
self.simulationParameterObj.nbrReaches) + " 1 4) REWARDS (" + str(self.Bad_Action_Penalty)+" "+str(
-1 * (costAction + stateCost)) + ") EXTRA "+str(self.simulationParameterObj.graph.edges()) + " BUDGET "+str(self.actionParameterObj.budget) +" by Majid Taleghan."
def random_player(self,state):
#find the actions for the state
stateId = SamplingUtility.getStateId(state)
#print 'state '+ str(state)[1:-1]
#if len(self.Q_value_function) == 0 or not self.Q_value_function.has_key(stateId): #len() : Return the length (the number of items) of an object.
self.all_allowed_actions[stateId] = InvasiveUtility.getActions(state, self.nbrReaches, self.habitatSize)
#self.Q_value_function[stateId] = len(self.all_allowed_actions[stateId]) * [0.0]
index = self.randGenerator.randint(0, len(self.all_allowed_actions[stateId]) - 1)
return self.all_allowed_actions[stateId][index]
def env_step(self, action):
action = action.intArray
if len(action) != 3:
print action, len(action)
assert len(action) == self.simulationParameterObj.nbrReaches, "Expected " + str(
self.simulationParameterObj.nbrReaches) + " integer action."
if not InvasiveUtility.is_action_allowable(action, self.state):
theObs = Observation()
InvasiveUtility.is_action_allowable(action, self.state)
#map(int, results)
theObs.intArray = [-1]
returnRO = Reward_observation_terminal()
returnRO.r = self.Bad_Action_Penalty
returnRO.o = theObs
return returnRO
cost_state_unit = InvasiveUtility.get_unit_invaded_reaches(self.state,
self.simulationParameterObj.habitatSize) * self.actionParameterObj.costPerReach
stateCost = cost_state_unit + InvasiveUtility.get_invaded_reaches(
self.state) * self.actionParameterObj.costPerTree
stateCost = stateCost + InvasiveUtility.get_empty_slots(self.state) * self.actionParameterObj.emptyCost
costAction = InvasiveUtility.get_budget_cost_actions(action, self.state, self.actionParameterObj)
if costAction > self.actionParameterObj.budget:
theObs = Observation()
InvasiveUtility.is_action_allowable(action, self.state)
#map(int, results)
theObs.intArray = [-1]
returnRO = Reward_observation_terminal()
returnRO.r = self.Bad_Action_Penalty
returnRO.o = theObs
return returnRO
nextState = simulateNextState(self.state, action, self.simulationParameterObj,
self.actionParameterObj, self.dispertionTable, self.germinationObj)
self.state = nextState
theObs = Observation()
theObs.intArray = self.state
returnRO = Reward_observation_terminal()
returnRO.r = -1 * (costAction + stateCost)
returnRO.o = theObs
return returnRO
def __init__(self, simulationParameterObj, actionParameterObj, Bad_Action_Penalty, nbrReaches=REACHES, habitatSize=HABITATS, fixedStartState=False,
discountFactor=0.9, seed=None):
"""
:param simulationParameterObj (SimulationParameterClass), contains all the parameters for the domain
:param actionParameterObj (ActionParameterClass), contains all the parameters for the actions
:param Bad_Action_Penalty (float), a negative value which will be returned as the consequence of over-budget
action or non-allowable action on a state
:param nbrReaches (int), number of reaches in the river network
:param habitatSize (int), number of habitat in each reach
:param fixedStartState (bool), indicates using a random starting state or fixed starting state
:param discountFactor (float), discount factor
:param seed (int), seed for random number generator (default=None)
"""
self.seed = seed
self.fixedStartState = fixedStartState
self.discountFactor = discountFactor
self.Bad_Action_Penalty=Bad_Action_Penalty
if not self.seed is None:
self.randGenerator = random.Random(self.seed)
else:
self.randGenerator = random.Random()
if simulationParameterObj != None:
self.simulationParameterObj = simulationParameterObj
self.actionParameterObj = actionParameterObj
self.dispertionTable = []
self.germinationObj = None
else:
#upstream rate
upStreamRate = 0.1
#downstream rate
downStreamRate = 0.5
#exogenous arrival indicator
exogenousArrivalIndicator = SimulationParameterClass.ExogenousArrivalOn
#competiton parameter
competitionFactor = 1
#there is the same number of
reachArrivalRates = array([[random.randint(100, 1000) for i in xrange(2)] for i in xrange(nbrReaches)])
reachArrivalProbs = array([[random.random() for i in xrange(2)] for i in xrange(nbrReaches)])
#first value is for native and the second one for tamarisk
prodRate = [200, 200]
#first value is for native and the second one for tamarisk
deathRate = [0.2, 0.2]
graph = InvasiveUtility.createRandomGraph(nbrReaches + 1, balanced=True,randGenerator=self.randGenerator)
self.simulationParameterObj = SimulationParameterClass(nbrReaches, habitatSize, prodRate, deathRate,
exogenousArrivalIndicator, reachArrivalRates, reachArrivalProbs, upStreamRate, downStreamRate,
competitionFactor, graph)
self.actionParameterObj = ActionParameterClass(costPerTree=0.1, eradicationCost=0.5, restorationCost=0.9,
eradicationRate=1, restorationRate=1,
costPerReach=10, emptyCost=0.05, varEradicationCost=0.4, varInvasiveRestorationCost=0.8,
varEmptyRestorationCost=0.4, budget=100)
def egreedy(self, state):
#find the actions for the state
stateId = SamplingUtility.getStateId(state)
#print 'state '+ str(state)[1:-1]
if len(self.Q_value_function) == 0 or not self.Q_value_function.has_key(stateId):
self.all_allowed_actions[stateId] = InvasiveUtility.getActions(state, self.nbrReaches, self.habitatSize)
self.Q_value_function[stateId] = len(self.all_allowed_actions[stateId]) * [0.0]
if not self.exploringFrozen and self.randGenerator.random() < self.sarsa_epsilon:
index = self.randGenerator.randint(0, len(self.all_allowed_actions[stateId]) - 1)
else:
index = self.Q_value_function[stateId].index(max(self.Q_value_function[stateId]))
#print 'a '+str(self.all_allowed_actions[stateId][index])[1:-1]
return self.all_allowed_actions[stateId][index]
def random_player(self, state):
#find the actions for the state
stateId = SamplingUtility.getStateId(state)
#print 'state '+ str(state)[1:-1]
#if len(self.Q_value_function) == 0 or not self.Q_value_function.has_key(stateId): #len() : Return the length (the number of items) of an object.
self.all_allowed_actions[stateId] = InvasiveUtility.getActions(
state, self.nbrReaches, self.habitatSize)
#self.Q_value_function[stateId] = len(self.all_allowed_actions[stateId]) * [0.0]
index = self.randGenerator.randint(
0,
len(self.all_allowed_actions[stateId]) - 1)
return self.all_allowed_actions[stateId][index]
def __init__(self, simulationParameterObj, actionParameterObj, Bad_Action_Penalty, nbrReaches=7, habitatSize=4, fixedStartState=False,
discountFactor=0.9, seed=None):
"""
:param simulationParameterObj (SimulationParameterClass), contains all the parameters for the domain
:param actionParameterObj (ActionParameterClass), contains all the parameters for the actions
:param Bad_Action_Penalty (float), a negative value which will be returned as the consequence of over-budget
action or non-allowable action on a state
:param nbrReaches (int), number of reaches in the river network
:param habitatSize (int), number of habitat in each reach
:param fixedStartState (bool), indicates using a random starting state or fixed starting state
:param discountFactor (float), discount factor
:param seed (int), seed for random number generator (default=None)
"""
self.seed = seed
self.fixedStartState = fixedStartState
self.discountFactor = discountFactor
self.Bad_Action_Penalty=Bad_Action_Penalty
if not self.seed is None:
self.randGenerator = random.Random(self.seed)
else:
self.randGenerator = random.Random()
if simulationParameterObj != None:
self.simulationParameterObj = simulationParameterObj
self.actionParameterObj = actionParameterObj
self.dispertionTable = []
self.germinationObj = None
else:
#upstream rate
upStreamRate = 0.1
#downstream rate
downStreamRate = 0.5
#exogenous arrival indicator
exogenousArrivalIndicator = SimulationParameterClass.ExogenousArrivalOn
#competiton parameter
competitionFactor = 1
#there is the same number of
reachArrivalRates = array([[random.randint(100, 1000) for i in xrange(2)] for i in xrange(nbrReaches)])
reachArrivalProbs = array([[random.random() for i in xrange(2)] for i in xrange(nbrReaches)])
#first value is for native and the second one for tamarisk
prodRate = [200, 200]
#first value is for native and the second one for tamarisk
deathRate = [0.2, 0.2]
graph = InvasiveUtility.createRandomGraph(nbrReaches + 1, balanced=True,randGenerator=self.randGenerator)
self.simulationParameterObj = SimulationParameterClass(nbrReaches, habitatSize, prodRate, deathRate,
exogenousArrivalIndicator, reachArrivalRates, reachArrivalProbs, upStreamRate, downStreamRate,
competitionFactor, graph)
self.actionParameterObj = ActionParameterClass(costPerTree=0.1, eradicationCost=0.5, restorationCost=0.9,
eradicationRate=1, restorationRate=1,
costPerReach=1, emptyCost=0, varEradicationCost=0.5, varInvasiveRestorationCost=0.1,
varEmptyRestorationCost=0, budget=100)
def agent_step(self, reward, observation):
lastState = self.lastObservation.intArray
lastAction = self.lastAction.intArray
lastStateId = SamplingUtility.getStateId(lastState)
lastActionIdx = self.all_allowed_actions[lastStateId].index(tuple(lastAction))
if reward == self.Bad_Action_Penalty:
self.all_allowed_actions[lastStateId].pop(lastActionIdx)
self.Q_value_function[lastStateId].pop(lastActionIdx)
newAction = self.egreedy(self.lastObservation.intArray)
print InvasiveUtility.get_budget_cost_actions(lastAction, lastState, self.actionParameterObj)
returnAction = Action()
returnAction.intArray = newAction
self.lastAction = copy.deepcopy(returnAction)
return returnAction
newState = observation.intArray
newAction = self.egreedy(newState)
if type(newAction) is tuple:
newAction = list(newAction)
Q_sa = self.Q_value_function[lastStateId][lastActionIdx]
#print "THE Q_sa IS : "
#print Q_sa
Q_sprime_aprime = self.Q_value_function[SamplingUtility.getStateId(newState)][
self.all_allowed_actions[SamplingUtility.getStateId(newState)].index(tuple(newAction))]
new_Q_sa = Q_sa + self.sarsa_stepsize * (reward + self.sarsa_gamma * Q_sprime_aprime - Q_sa)
#print "THE new_Q_sa IS : "
#print new_Q_sa
if not self.policyFrozen:
self.Q_value_function[SamplingUtility.getStateId(lastState)][
self.all_allowed_actions[SamplingUtility.getStateId(lastState)].index(tuple(lastAction))] = new_Q_sa
returnAction = Action()
returnAction.intArray = newAction
self.lastAction = copy.deepcopy(returnAction)
self.lastObservation = copy.deepcopy(observation)
return returnAction
def env_step(self, action):
action = action.intArray
assert len(action) == self.simulationParameterObj.nbrReaches, "Expected " + str(
self.simulationParameterObj.nbrReaches) + " integer action."
if not InvasiveUtility.is_action_allowable(action, self.state):
theObs = Observation()
InvasiveUtility.is_action_allowable(action, self.state)
#map(int, results)
theObs.intArray = [-1]
returnRO = Reward_observation_terminal()
returnRO.r = self.Bad_Action_Penalty
returnRO.o = theObs
return returnRO
cost_state_unit = InvasiveUtility.get_unit_invaded_reaches(self.state,
self.simulationParameterObj.habitatSize) * self.actionParameterObj.costPerReach
stateCost = cost_state_unit + InvasiveUtility.get_invaded_reaches(
self.state) * self.actionParameterObj.costPerTree
stateCost = stateCost + InvasiveUtility.get_empty_slots(self.state) * self.actionParameterObj.emptyCost
costAction = InvasiveUtility.get_budget_cost_actions(action, self.state, self.actionParameterObj)
if costAction > self.actionParameterObj.budget:
theObs = Observation()
InvasiveUtility.is_action_allowable(action, self.state)
#map(int, results)
theObs.intArray = [-1]
returnRO = Reward_observation_terminal()
returnRO.r = self.Bad_Action_Penalty
returnRO.o = theObs
return returnRO
nextState = simulateNextState(self.state, action, self.simulationParameterObj,
self.actionParameterObj, self.dispertionTable, self.germinationObj)
self.state = nextState
theObs = Observation()
theObs.intArray = self.state
returnRO = Reward_observation_terminal()
returnRO.r = -1 * (costAction + stateCost)
returnRO.o = theObs
return returnRO
def __init__(self, simulationParameterObj, actionParameterObj, Bad_Action_Penalty, nbrReaches=7, habitatSize=4, fixedStartState=False,
discountFactor=0.9, seed=None):
"""
:param simulationParameterObj (SimulationParameterClass), contains all the parameters for the domain
:param actionParameterObj (ActionParameterClass), contains all the parameters for the actions
:param Bad_Action_Penalty (float), a negative value which will be returned as the consequence of over-budget
action or non-allowable action on a state
:param nbrReaches (int), number of reaches in the river network
:param habitatSize (int), number of habitat in each reach
:param fixedStartState (bool), indicates using a random starting state or fixed starting state
:param discountFactor (float), discount factor
:param seed (int), seed for random number generator (default=None)
"""
self.seed = seed
self.fixedStartState = fixedStartState
self.discountFactor = discountFactor
self.Bad_Action_Penalty=Bad_Action_Penalty
if not self.seed is None:
self.randGenerator = random.Random(self.seed)
else:
self.randGenerator = random.Random()
if simulationParameterObj != None:
self.simulationParameterObj = simulationParameterObj
self.actionParameterObj = actionParameterObj
self.dispersionTable = []
self.germinationObj = None
else:
# ============================ PARAMETERS =====================================
#upstream rate
upStreamRate = 0.1
#downstream rate
downStreamRate = 0.5
#exogenous arrival indicator
exogenousArrivalIndicator = SimulationParameterClass.ExogenousArrivalOn
#exogenousArrivalIndicator = SimulationParameterClass.ExogenousArrivalOff
#competiton parameter
competitionFactor = 1
#there is the same number of
reachArrivalRates = array([[random.randint(100, 1000) for i in xrange(2)] for i in xrange(nbrReaches)])
reachArrivalProbs = array([[random.random() for i in xrange(2)] for i in xrange(nbrReaches)])
#first value is for native and the second one for tamarisk
prodRate = [200, 200]
#first value is for native and the second one for tamarisk
deathRate = [0.2, 0.2]
# ============================ PARAMETERS =====================================
print "arrival rates (N, T)"
print reachArrivalRates[0]
print "arrival probs (N,T)"
print reachArrivalProbs[0]
print "downstreamrate"
print downStreamRate
print "prodRate"
print prodRate
print "deathRate"
print deathRate
graph = InvasiveUtility.createRandomGraph(nbrReaches + 1, balanced=True,randGenerator=self.randGenerator)
self.simulationParameterObj = SimulationParameterClass(nbrReaches, habitatSize, prodRate, deathRate,
exogenousArrivalIndicator, reachArrivalRates, reachArrivalProbs, upStreamRate, downStreamRate,
competitionFactor, graph)
# ============================ PARAMETERS =====================================
self.actionParameterObj = ActionParameterClass(costPerTree=0.1, eradicationCost=0.5, restorationCost=0.9,
eradicationRate=0.85, restorationRate=0.65,
costPerReach=10, emptyCost=0.5, varEradicationCost=0.4, varInvasiveRestorationCost=0.8,
varEmptyRestorationCost=0.4, budget=100)
# ============================ PARAMETERS =====================================
testResults = open("dispersionMatrixAnalysis.txt", "a+")
testResults.write("\n Number of reaches: "+str(nbrReaches)+"\n");
testResults.write(" Number of slots: "+str(habitatSize)+"\n");
testResults.write(" Upstram-Rate: "+str(upStreamRate)+"\n");
testResults.write(" Downstream-Rate: "+str(downStreamRate)+"\n \n");
testResults.close();
