These combination forecasting models are characterized with simple algorithm and comparison of forecasting effectiveness to different time series.

该模型具有计算简便的特点，而且具有可比性，能反映不同时间序列预测方法有效性。

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For now, though, many companies pursue collaborative forecasting in ways that limit its effectiveness, if they pursue it at all.

目前，尽管有些公司在努力做到协同预测，但是其中很多公司采取的方式限制了它的效率。

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The effectiveness of the method is proved by comparison between the forecasting and experimenting results.

预测和实测结果的比较，表明了该方法的有效性。

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