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关注：1
2013-05-23 12:21
求翻译：∑_(i=1)^∞▒θ^(i-1) =1.The current value Zt is,therefore, a weighted average of the past values plus an innovation.The weights decay exponentially at the rate θ.As will be seen later in forecasting,such a weighted average makes common sense as the most recent past values are more relevant than the remove past in determin是什么意思？ 待解决
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∑_(i=1)^∞▒θ^(i-1) =1.The current value Zt is,therefore, a weighted average of the past values plus an innovation.The weights decay exponentially at the rate θ.As will be seen later in forecasting,such a weighted average makes common sense as the most recent past values are more relevant than the remove past in determin
问题补充： |
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