ddpg.py 文件源码

def build_actor(self):
        """Build actor network

        recieve convereted tensor: raw_data, smooted_data, and downsampled_data
        """
        # lower layer
        lower_model = [self.build_network(self.model_config['actor_lower'], input_shape=(self.history_length, self.n_stock, 1)) 
                       for _ in range(1  + self.n_smooth + self.n_down)]
        merged = Merge(lower_model, mode='concat')
        # upper layer
        model = self.build_network(self.model_config['actor_upper'],  model=merged)
        return model