use Excel exponential smoothing analysis and forecasts, better quality .. Thank you, the moderator, I have uploaded five, If there is a need there are many, I hope you pass, I now need to download a source. After I wrote it myself on the procedures are uploaded to join up with it.

Packet : 7941924excel22.rar filelist
利用Excel进行指数平滑分析与预测.doc

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