Weighted moving average method

Japanese: 加重移動平均法 - かじゅういどうへいきんほう
Weighted moving average method

...Once the September results are known, June is discarded and October is predicted using the data from July, August, and September. There is also a method that gives more weight to the previous month and reduces the weighting of the previous months, which is called the weighted moving average method. In the above example, if the amounts for June , July , and August are A1 , A2 , and A3 respectively , then September is predicted using ( 3 A3 + 2 A2 + A1 )/6. ...

*Some of the terminology explanations that refer to the "weighted moving average method" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…そして9月の実績が知られたら,6月は捨てて7,8,9月のデータから10月を予測する。このほか,すぐ前の月は重視しそれ以前はウェイトを減らしていく方法があり,加重移動平均法と呼ばれる。上の例で,6,7,8月の量をそれぞれA1,A2,A3とするとき,例えば(3A3+2A2A1)/6で9月を予測する。…

※「加重移動平均法」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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