参考帖子:
https://bbs.pinggu.org/forum.php?mod=viewthread&tid=817559
参照南开王群勇老师编写的Stata模块sax12作的,用之前先findit sax12,然后到
http://www.census.gov/srd/www/x12a/下载x-12pc并放在Stata的adopath路径下,通常放到plus里就行。这个输出是在help的窗口里看的,很长,就不贴了。
其实可以不用Stata,直接下载用免费的Win-X12,图形界面的。
地址:
http://www.census.gov/srd/www/winx12/winx12_down.html
说明书:
http://www.census.gov/ts/TSMS/WIX12/winx12doc.pdf
- import excel using UKEA_CSDB_DS.csdbABPF.xls,first clear
- drop if _n>300
- drop if length(A)<5
- gen consum=real(ABPF)
- encode A,gen(date)
- drop A ABPF
- replace date=date-21
- label drop date
- tsset date,quarterly
- sax12 consum, satype(single) transfunc(auto) ///
- regpre(const td) outauto(ao ls tc) ///
- outlsrun(0) ammaxlag(3 1) ///
- ammaxdiff(2 1) ammaxlead(12)///
- x11seas(x11default) ///
- sliding history
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