…In reality, it is necessary to build a model from the observed time series, and for this purpose, autoregressive models and moving average models in particular have been studied. The autoregressive (AR) model is y t = a 1 y t -1 + a 2 y t -2 + ... + a p y t - p + ε t moving average.… *Some terminology explanations that mention "auto-regression" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…現実には,観測される時系列からモデルを構築する必要があり,そのためには特に自己回帰モデルと移動平均モデルが研究されている。自己回帰(auto‐regression。略してAR)モデルは yt=a1yt-1+a2yt-2+……+apyt-p+εt移動平均(moving average。… ※「auto-regression」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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