st: RE: Re: -charlist- available on SSC [??]

[baum <baum@bc.edu>]

I knew there was something I forgot to do!

Should be ok now.

Kit

--On Tuesday, December 17, 2002 19:16 +0000 Nick Cox <n.j.cox@durham.ac.uk> 
wrote:


> Kit will no doubt fix this when he can.
>
> Nick
> n.j.cox@durham.ac.uk
>
> > -----Original Message-----
> > From: owner-statalist@hsphsun2.harvard.edu
> > [mailto:owner-statalist@hsphsun2.harvard.edu]On Behalf Of Don Spady
> > Sent: 17 December 2002 19:16
> > To: statalist@hsphsun2.harvard.edu
> > Subject: st: Re: -charlist- available on SSC
> >
> >
> > Hi
> >
> >  I just tried to download (ssc install charlist) charlist
> > and got this
> > message:
> > ssc install: apparent error in package file for charlist;
> > please notify
> > repec@repec.org,
> > providing package name
> >
> > What is the problem
> >
> > Don Spady
> >
> > ----- Original Message -----
> > From: "Nick Cox" <n.j.cox@durham.ac.uk>
> > To: <statalist@hsphsun2.harvard.edu>
> > Sent: Tuesday, December 17, 2002 12:07
> > Subject: st: -charlist- available on SSC
> >
> >
> > > Thanks to Kit Baum, the -charlist- program
> > > posted and discussed earlier today is now
> > > available from SSC. The output and syntax are changed
> > > from my original posting.
> > >
> > > In an up-to-date Stata, type
> > >
> > > . ssc desc charlist
> > >
> > > and if desired
> > >
> > > . ssc inst charlist
> > >
> > > For explanation of the -ssc- command,
> > > please see the first URL under my signature.
> > >
> > > Briefly, -charlist- shows which characters
> > > are present in a string variable.
> > >
> > > Here is a concocted example of one way
> > > in which it might be useful.
> > >
> > > Stata tells you that something which should be numeric
> > > is string, and -destring- won't play:
> > >
> > > . destring mystuff, replace
> > > mystuff contains non-numeric characters; no replace
> > >
> > > So you ask for a report:
> > >
> > > . charlist mystuff
> > > 123I
> > >
> > > We see that "I" characters are present.
> > > Perhaps whoever typed in the data was
> > > distracted, or the OCR software made a mistake,
> > > so some "1" (one) characters have been entered
> > > as "I" (capital I).
> > >
> > > . l mystuff  if index(mystuff,"I")
> > >
> > >        mystuff
> > >  12.       I23
> > >  57.       I23
> > >  73.       I23
> > >
> > > You decide on appropriate surgery:
> > >
> > > . replace mystuff = subinstr(mystuff,"I", "1",.)
> > > (3 real changes made)
> > >
> > > . destring mystuff, replace
> > > mystuff has all characters numeric; replaced as byte
> > >
> > > Of course, there are other ways to do
> > > this -- and also other examples in which
> > > -charlist- may be useful.
> > >
> > > Nick
> > > n.j.cox@durham.ac.uk
> > > *
> > > *   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/


________________________________________________________________________
Christopher F Baum, Boston College Economics, Chestnut Hill MA 02467 USA
baum@bc.edu                       http://fmwww.bc.edu/ec-v/baum.fac.html

*
*   For searches and help try:
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*   http://www.stata.com/support/statalist/faq
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