有更好的对于此类周期型数据的缺失值处理方法,也烦请指教。
多谢。作者: shiyiming 时间: 2008-12-3 01:34 标题: Re: 请教缺失值处理的问题,谢谢。 Just compute the average by mod(_N_,3) or mod(monotonic(), 3), then substitute.
I don't have any suggestions in general. I tend to get rid of all missing values when I feel blue.作者: shiyiming 时间: 2008-12-7 23:48 标题: Re: 请教缺失值处理的问题,谢谢。 Thanks,urchin.
The type of the data is time-series, so it's probably not appropriate just getting rid of the missing values.