Nick
Thanks. Ordinarily the dummies should and will not sum
to one in a multiple response case. But I was lead to
believe that -mrdum- and -mrtab- would somehow sum the
dummies to 1.
Thanks
--- Nick Cox <[email protected]> wrote:
> The help file for -mrdum- (a user-written
> program by Lee Sieswerda) explains its
> syntax. The syntax for its -stub()- option
> is that you must supply an argument. Just
> specifying -stub- is illegal (and useless
> anyway).
>
> I am not sure that you can always
> obtain dummies for multiple responses
> which sum to 1. It depends on your data
> structure. If I answer "yes" to
> "use Stata" and "yes" to "use R" _and_
> those are separate variables, then
> dummies for me will add to 2. This
> is the whole point of the multiple
> responses problem, is it not?
>
> Nick
> [email protected]
>
> peter harper
> >
> > Nick
> > Thanks for your reply. I am new at usimg -mrtab-
> and
> > -mrdum- . May I ask for example, -stub(q4)
> precisely
> > means. I did look at their help for these things,
> but
> > it was not clear to me. Perhaps I have overlooked
> > something.
> > I wanted to find out how to generate dummy
> variables
> > of multiple responses which will sum to 1. then
> obtain
> > means and standard deviations.
> > Thanks
> >
> > --- Nick Cox <[email protected]> wrote:
> > > Both the error message and the help for -mrdum-
> tell
> > > you
> > > what is required, an argument for the -stub()-
> > > option,
> > > e.g. -stub(q4)- not -stub-.
> > >
> > > Nick
> > > [email protected]
> > >
> > > peter harper
> > >
> > > > dummy variables for multiple responses to a
> survey
> > > > question. I have tried -mrtab-
> > > > I have tried
> > > > .mrdum x1 x2 x3, stub
> > > > option stub() required
> > > >
> > > > This is the message I got. Can anyone please
> tell
> > > me
> > > > what is precisely required here.
> > >
>
> *
> * 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/
>
___________________________________________________________ALL-NEW Yahoo! Messenger - all new features - even more fun! http://uk.messenger.yahoo.com
*
* 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/