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RE: st: RE: pairwise dummy variables
Remove -byte- if the sums are too big for
a byte.
Nick
[email protected]
> -----Original Message-----
> From: Nick Cox
> Sent: 03 May 2006 14:16
> To: '[email protected]'
> Subject: RE: st: RE: pairwise dummy variables
>
>
> Not sure I understand the query, but this
> illustrates the technique.
>
> local n = <whatever>
>
> forval i=1/`n' {
> local I=`i'+1
> forval j=`I'/`n' {
> gen byte sum_``i''_``j''= foo[`i'] + bar[`j']
> }
> }
>
> Nick
> [email protected]
>
> > -----Original Message-----
> > From: [email protected]
> > [mailto:[email protected]]On Behalf Of Serguei
> > Kaniovski
> > Sent: 03 May 2006 14:08
> > To: [email protected]
> > Subject: RE: st: RE: pairwise dummy variables
> >
> >
> > Nick, that you it works. Just a simple follow-up question: I have a
> > binary variable "binvar" with n observations. I would like
> to compute
> > the sums of the i-th and j-th element of "binvar", and put
> these into
> > separate variables named "sum_i_j" using a double loop:
> >
> > forval i=1/n {
> > local I=`i'+1
> > forval j=`I'/n {
> > ...
> > gen byte sum_``i''_``j''=r(min)
> > }
> > }
> >
> > What command should I use instead of the dots?
> >
> > Thanks again,
> > Serguei
> > --
> > ___________________________________________________________________
> >
> > Austrian Institute of Economic Research (WIFO)
> >
> > Name: Serguei Kaniovski P.O.Box 91
> > Tel.: +43-1-7982601-231 Arsenal Objekt 20
> > Fax: +43-1-7989386 1103 Vienna, Austria
> > Mail: [email protected]
> >
> > http://www.wifo.ac.at/Serguei.Kaniovski
> >
> > *
> > * 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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