英语词汇double exponential smoothing怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	double exponential smoothing
释义	double exponential smoothing 简明释义双重指数平滑：双重指数平滑是一种使用指数窗口函数对时间序列数据进行平滑的经验法则技术。与简单移动平均法不同，指数函数用于按指数递减的权重分配过去的观测值。它是一种易学易用的程序，可以根据用户的先前假设（如季节性）进行某种决策。双重指数平滑经常用于时间序列数据的分析。网络释义 1 ?双指数平滑双指数平滑 2 ?二次指数平滑二次指数平滑短语 1 method of double exponential smoothing 统计双指数修匀法
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