I tried but after converting to float stata still
reports that for some observations the inequality is
satisfied , and I do not understand why...
--- Kyle Hood <[email protected]> ha scritto:
> couldn't you just recast both as floats (generating
> a new pair of
> variables), do the operation, and then, if you wish,
> delete the new
> variables?
>
> something like this
>
> gen float xf = x
> gen float yf = y
> gen z = xf < yf
> drop xf yf
>
>
>
> On Thu, 5 Apr 2007, sara borelli wrote:
>
> > Dear Statalist members
> >
> > I know this is a precision question already posted
> in
> > the past, but I have difficulties to understand
> the
> > right way to go even after looking at the archives
> of
> > statalist
> >
> > I have two variables:
> > x y
> > 17.68 17.68
> > 15.56 15.56
> > 19.27 19.27
> > 5.3 5.3
> >
> > If I write 'count if x<y' stata says that all
> > observations satisfy this inequality, when in fact
> the
> > values 'look' the same. I think this has to do
> > with the fact that x is stored as double, while y
> is
> > stored as float. Is there any way I can say stata
> to
> > read the values as they "appear" and thus
> performing
> > calculations correctly (in this case I would need
> > stata say that there are zero observations for
> which
> > x<y)? I am sorry to repeat this question, but any
> > suggestion would be really appreciated
> >
> > thanks
> > Sara
> >
> >
> >
> >
> >
> >
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