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RE: st: -generate- and run time contingencies


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   RE: st: -generate- and run time contingencies
Date   Mon, 30 Jan 2006 17:11:51 -0000

"making -replace- r-class 
would likely break all kinds of programs"

You hit it in one, I think. 

Nick 
n.j.cox@durham.ac.uk 

Nick Winter
 
> Nick Cox had a slightly shorter version, eliminating the creation of 
> the OK variable.
> 
> I am reminded again that it would be nice if the -replace- command 
> somehow left behind the number of changes it makes (which it 
> displays, but does not leave for a program to pick up.)  It's been 
> discussed before on statalist I think, and making -replace- r-class 
> would likely break all kinds of programs, but still it would be handy 
> to be able to get to that somehow....
 
n j cox 

> >>// not tested
> >>gen x = uniform()
> >>gen byte OK = x >= 0.8
> >>capture assert OK == 1
> >>
> >>while _rc {
> >>         replace x = cond(x < 0.8, uniform(), x)
> >>         replace OK = x >= 0.8
> >>         capture assert OK == 1
> >>}
> >

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