pre-whiten的意思

问题描述:

pre-whiten的意思
A common approach for removing the serial correlation from a data set prior to applying a trend test has been to pre-whiten the series.这句中的
1个回答 分类:英语 2014-10-05

问题解答:

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在时间序列分析中,应用转换函数模型(transfer function models )前的资料预备步.对输入变量x建立一个时间序列模型,然后用这一模型对输出变量y作校正.这一过程称“预白噪声化(prewhitening)”,目的在于消除(x,y)间的为相关(spurious correlation).
参考文献:
1.Jonathan D.Cryer and Kung-Sik Chan(2008).Time Series Analysis with Application in R.
2.Bruce L.Bowerman,at ell (1993).Forecasting and Time Series.
 
 
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