OK, the statalist line chopper got me...
The message should have read:
Try: format ndc %012.0f
(the zero after the % is what adds leading zeros).
Tom
Thomas J. Steichen
[email protected]
----------------------------------------------------------------------------
Facts do not cease to exist because they are ignored. - Aldous Huxley
----------------------------------------------------------------------------
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of
> Steichen, Thomas J.
> Sent: Friday, July 15, 2005 2:48 PM
> To: [email protected]
> Subject: st: RE: gen strN var2=string(var1, "%fmt") does not
> produce leading zeros
>
>
> (the zero after the % is what adds leading zeros).
>
> Tom
>
> Thomas J. Steichen
> [email protected]
> --------------------------------------------------------------
> --------------
> Facts do not cease to exist because they are ignored. -
> Aldous Huxley
> --------------------------------------------------------------
> --------------
>
>
>
> > -----Original Message-----
> > From: [email protected]
> > [mailto:[email protected]] On Behalf Of
> Daniel Egan
> > Sent: Friday, July 15, 2005 2:41 PM
> > To: [email protected]
> > Subject: st: gen strN var2=string(var1, "%fmt") does not
> > produce leading zeros
> >
> >
> > Hello all,
> >
> > I hope this one gets in under the wire....
> >
> > I am working with USA National Drug Codes (NDCs). The raw
> > format I have reads them in as a number between 7 and 12
> digits long.
> >
> > Actual NDC codes are (usually) of the form 12345-1234-12,
> > i.e. 5-4-2 digits, for a total of 13 inclusive of the two dashes.
> >
> > So any numeric format with less than 11 digits is actually
> > that number with leading zeros.
> >
> > I have read the FAQ at
> > http://www.stata.com/support/faqs/data/leading0.html , and
> > followed the directions, but for some reason the resulting
> > string does not have leading zeroes.
> >
> > my code runs as follows:
> > ****************************
> > format ndc %12.0f
> > gen str12 sndc=string(ndc, "%12.0f")
> > gen sndclen=length(sndc)
> > tab sndclen, missing
> >
> > ndclength | Freq. Percent Cum.
> > ------------+-----------------------------------
> > 7 | 559,577 10.42 10.42
> > 8 | 1,843,485 34.32 44.74
> > 9 | 1,917,644 35.70 80.44
> > 10 | 203 0.00 80.44
> > 11 | 1,047,475 19.50 99.94
> > 12 | 3,260 0.06 100.00
> > ------------+-----------------------------------
> > Total | 5,371,644 100.00
> > *********************************
> >
> > The 12-digit figures are actually missings (all 9's), so I
> > recoded them, reverted via "real", and then re-converted with
> > -string- again...
> >
> > *********
> > replace sndc="" if sndclen==12
> > gen ndc2=real(sndc)
> > gen str11 sndc2=string(ndc2, "%11.0f")
> > ***********
> >
> > This does not return leading zero's either.
> >
> > Any suggestions?
> >
> > TIA,
> >
> > Daniel Egan
> >
> >
> >
> > ****************
> > Stata/SE 9.0 for Windows
> > Born 05 Jul 2005
> > Total physical memory: 2097151 KB
> > Available physical memory: 1425028 KB
> >
> > Stata executable
> > folder: C:\Program Files\Stata9\
> > name of file: wsestata.exe
> > currently installed: 05 Jul 2005
> >
> > Ado-file updates
> > folder: C:\Program Files\Stata9\ado\updates\
> > names of files: (various)
> > currently installed: 05 Jul 2005
> > ******************
> >
> > *
> > * 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/
> >
>
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