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From |
Antoine Terracol <Antoine.Terracol@univ-paris1.fr> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
Re: st: Number of a subset of variables in local |

Date |
Thu, 19 Aug 2010 15:14:28 +0200 |

forgot to add: local numvar=wordcount("`mylist'") di `numvar' Antoine On 19/08/2010 15:11, Antoine Terracol wrote:

unab mylist : name* display "`mylist'" Antoine On 19/08/2010 15:04, Trelle Sven wrote:Dear all, I have a dataset with several variables all starting with the same name plus sequential numbers at the end (e.g. name1, name2, name3, ...). In addition, there are several other variables. I want to put the number of variables starting with "name" in a local. Originally I thought I can use describe name* But apparently, the describe command puts the number of variables of the whole dataset in r(k) and not just the number of variables specificied after the command. This is my workaround: * example starts use datatset.dta, clear keep name* qui describe local n = r(k) use datatset.dta, clear * Example ends Does anybody know whether there is a more elegant way i.e. can I avoid loading the dataset twice? Thanks for your help Sven * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

-- Ce message a ete verifie par MailScanner pour des virus ou des polluriels et rien de suspect n'a ete trouve. * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

**References**:**st: Number of a subset of variables in local***From:*"Trelle Sven" <strelle@ctu.unibe.ch>

**Re: st: Number of a subset of variables in local***From:*Antoine Terracol <Antoine.Terracol@univ-paris1.fr>

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