import random from . import BaseAgent class IndependentCascadeModel(BaseAgent): """ Settings: innovation_prob imitation_prob """ def __init__(self, environment=None, agent_id=0, state=()): super().__init__(environment=environment, agent_id=agent_id, state=state) self.innovation_prob = environment.environment_params['innovation_prob'] self.imitation_prob = environment.environment_params['imitation_prob'] self.state['time_awareness'] = 0 self.state['sentimentCorrelation'] = 0 def step(self): self.behaviour() def behaviour(self): aware_neighbors_1_time_step = [] # Outside effects if random.random() < self.innovation_prob: if self.state['id'] == 0: self.state['id'] = 1 self.state['sentimentCorrelation'] = 1 self.state['time_awareness'] = self.env.now # To know when they have been infected else: pass return # Imitation effects if self.state['id'] == 0: aware_neighbors = self.get_neighboring_agents(state_id=1) for x in aware_neighbors: if x.state['time_awareness'] == (self.env.now-1): aware_neighbors_1_time_step.append(x) num_neighbors_aware = len(aware_neighbors_1_time_step) if random.random() < (self.imitation_prob*num_neighbors_aware): self.state['id'] = 1 self.state['sentimentCorrelation'] = 1 else: pass return