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From |
adiallo5@worldbank.org |

To |
statalist@hsphsun2.harvard.edu |

Subject |
Re: st: RE: New command in SSC: -checkfor2- |

Date |
Mon, 19 Sep 2005 15:12:10 -0400 |

Ok. I will consider a table doing something like: -on the top: available -on the bottom: unavailable Allow me some time to make the necessary changes. I also suppress all the red marks (replaced by green). Many thanks for your support. Stata list is indeed the best place to learn stata. Amadou. Jean-Benoit Hardouin <jean-benoit.hardouin@ors To: statalist@hsphsun2.harvard.edu centre.org> cc: Sent by: Subject: Re: st: RE: New command in SSC: -checkfor2- owner-statalist@hsphsun2. harvard.edu 09/19/2005 03:02 PM Please respond to statalist adiallo5@worldbank.org a écrit : >Jean, >I will try to improve my code based on your remarks. >Essentially, I used anything in place of varlist because with the latter >the program aborts when a variable specified does not >exist. But this is the core of the program: check whether >the variable exists or not. > > OK, that's right (I have considered only one (other) aim which interests me : the possibility to obtain a list of the variables with a little amount of missing values) >I will consider the use of return, but why a table? > > If you have full of variables, your outputs are difficult to read: a table allows obtaining a synthetic result ! Best, Jean-Benoit >I'll contact you privately to further discuss about these topics. >Best regards. >Amadou. > > > > > Jean-Benoit Hardouin > <jean-benoit.hardouin@ors To: statalist@hsphsun2.harvard.edu > centre.org> cc: > Sent by: Subject: Re: st: RE: New command in SSC: -checkfor2- > owner-statalist@hsphsun2. > harvard.edu > > > 09/19/2005 02:28 PM > Please respond to > statalist > > > > > > > >Dear Amadou, >I find several drawbacks in the programing of -checkfor2- : > - the use of "anything" instead of "varlist" in the syntax command >avoids to use list of variables as var1-var10 or var* > - the idea to use a global macro variable is, from my mind, a bad >idea (I prefer a "return" command) > - the "red" characters concerns by convention the error messages >and are not adapted to an output > - the "outputs" as string are not very easy to read when we have >full of variables (why not a table) > - the smcl syntax in the hlp file is uncorrect to format the >paragraphs: the result is not very nice > - the classical way to present the hlp file is to separate the >description of the options and the syntax (in 2 parts) >I hope this help ! >The idea of your command is good, but your command is not very easy to >use ! > >/*Amadou, pas de problème si tu as besoin d'aide en français pour >améliorer ta commande !*/ > >Jean-Benoit Hardouin > > >******************************************* >Jean-Benoit Hardouin >Regional Health Observatory - Orléans - France > >Biostatisticien >Observatoire Régional de la Santé du Centre >BP 2439 >1, rue Porte Madeleine >45032 Orléans Cedex 1 >tél : 02 38 74 48 80 >fax : 02 38 74 48 81 >Email : jean-benoit.hardouin@orscentre.org >********************************************* > > > >adiallo5@worldbank.org a écrit : > > > >>A long way to go before becoming a good stata programmer. >> >> >> > > > >>Thanks to Nick. >> >> > > > >>I will make the necessary corrections today and resubmit. >> >> > > > >>You've made two very good observations. And I really need >> >> > > > >>that kind of remarks to help me improve my first steps as >> >> > > > >>a real stata programmer. >> >> > > > >>I am so used of nmissing that I guess I've used it without even >> >> > > > >>noticing it. >> >> > > > >>In the same token, working with DHS data usually require sorting >> >> > > > >>data before attempting many managements. >> >> > > > >>I guess there also, my old reflexes just prompted up, without even >> >> > > > >>noticing. >> >> > > > >>Again, thanks for your good remarks. In the future, I'll be more >> >> > > > >>cautious to these kind of details. >> >> > > > >>Amadou. >> >> > > > > > > >> >> >> >> >> > > > >> "Nick Cox" >> >> > > > >> <n.j.cox@durham.ac.uk> To: >> >> ><statalist@hsphsun2.harvard.edu> > > >> Sent by: cc: >> >> > > > >> owner-statalist@hsphsun2. Subject: st: RE: New >> >> >command in SSC: -checkfor2- > > >> harvard.edu >> >> > > > > > > > > > >> 09/19/2005 01:05 PM >> >> > > > >> Please respond to >> >> > > > >> statalist >> >> > > > > > > > > > > > > >> >> >>Note that -checkfor2- runs the user-written command -nmissing- >>which would need to be installed separately if a user had >>not previously installed that. The help file makes >>a cross-reference to this program but does not spell out >>that it is required. >> >>As it happens, it is not clear why -nmissing- is used at >>all, as it is only employed to pick up the number of >>missings which could, and indeed should, be done much >>more efficiently and directly with a -count-. >> >>Another detail that is worthy of note is that -checkfor2- >>-sort-s on each variable in turn. This is not documented, >>appears unnecessary for what the program does, and is >>indeed a misfeature as in general -checkfor2- will >>change the sort order of your data. I think it is a >>good principle that Stata commands should only change >>the sort order of your data when that is a purpose >>of the command and is also explicitly documented. >> >>Nick >>n.j.cox@durham.ac.uk >> >>adiallo5@worldbank.org >> >> >> >> >> >>>Thanks to Prof. Baum, a new Stata command is available from the SSC >>>archives: >>> >>>-checkfor2- A Stata module to check whether a variable exists >>>or not in a >>>dataset. >>> >>>Description: >>> >>>checkfor2 is a routine to check for existence of a list of >>>variables within a >>>(usually big) data set. >>>checkfor2 searchs through the data whether the variable >>>exists. If it does not, >>>a message is issued. >>>If it does, the program looks for missings structure. >>>Finally, if requested, the >>>program stores the >>>available variables in a macro for future use. A tolerance >>>level for missings >>>could also be set. >>>To install the package, type: >>> >>> .ssc install checkfor2 >>> >>> >>> >>> >>* >>* For searches and help try: >>* http://www.stata.com/support/faqs/res/findit.html >>* http://www.stata.com/support/statalist/faq >>* http://www.ats.ucla.edu/stat/stata/ >> >> >> >>* >>* For searches and help try: >>* http://www.stata.com/support/faqs/res/findit.html >>* http://www.stata.com/support/statalist/faq >>* http://www.ats.ucla.edu/stat/stata/ >> >> >> >> >> >> >> >* >* For searches and help try: >* http://www.stata.com/support/faqs/res/findit.html >* http://www.stata.com/support/statalist/faq >* http://www.ats.ucla.edu/stat/stata/ > > > > >* >* For searches and help try: >* http://www.stata.com/support/faqs/res/findit.html >* http://www.stata.com/support/statalist/faq >* http://www.ats.ucla.edu/stat/stata/ > > > > > * * For searches and help try: * http://www.stata.com/support/faqs/res/findit.html * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/ * * For searches and help try: * http://www.stata.com/support/faqs/res/findit.html * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

**References**:**Re: st: RE: New command in SSC: -checkfor2-***From:*Jean-Benoit Hardouin <jean-benoit.hardouin@orscentre.org>

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