callbacks.py 文件源码

def __init__(self, 
            patience=0, reduce_rate=0.5, reduce_nb=10, 
            is_early_stopping=True, verbose=1):
        """
        In:
            patience - number of beginning epochs without reduction; 
                by default 0
            reduce_rate - multiplicative rate reducer; by default 0.5
            reduce_nb - maximal number of reductions performed; by default 10
            is_early_stopping - if true then early stopping is applied when
                reduce_nb is reached; by default True
            verbose - verbosity level; by default 1
        """
        super(KerasCallback, self).__init__()
        self.patience = patience
        self.wait = 0
        self.best_score = -1.
        self.reduce_rate = reduce_rate
        self.current_reduce_nb = 0
        self.reduce_nb = reduce_nb
        self.is_early_stopping = is_early_stopping
        self.verbose = verbose
        self.epsilon = 0.1e-10