【Python】计算FoM

    def FOM(self):
        """
        建设用地分类型精度
        :return:
        """
        source = self.result[-1]['myID']
        simul = self.result[-1]['final']
        real = self.result[-1]['endID']

        misses, hits, wrongHits, falseAlarms = 0, 0, 0, 0
        for x, y, z in zip(source, simul, real):
            if z != x:
                # 实际上发生改变
                if y == x:
                    misses += 1  # 预测没有发生改变
                else:
                    hits += 1  # 捕捉到实际的变化
                    if (y != z):
                        wrongHits += 1  # 捕捉到变化，但是预测错误
            else:
                # 实际上没有发生改变
                if y != x:
                    falseAlarms += 1
        return (hits * 1.0) / ((misses + hits + wrongHits + falseAlarms) * 1.0)