[Rd] make check-all fails (PR#7784)

[Peter Dalgaard]

znmeb at cesmail.net writes:

> Full_Name: Ed Borasky
> Version: R-beta 2.1.0 2005-04-08
> OS: Linux 2.6.11 GCC 3.3.5
> Submission from: (NULL) (24.21.57.139)
> 
> 
> I downloaded the latest R-beta tarball and did a build with the default options.
> OS is Linux 2.6.11 and compiler is GCC 3.3.5. "make check-all" failed with the
> following message:
> 
> make[3]: Entering directory `/home/znmeb/R-beta/tests'
> running code in 'reg-tests-1.R' ...make[3]: *** [reg-tests-1.Rout] Error 1
> make[3]: Leaving directory `/home/znmeb/R-beta/tests'
> make[2]: *** [test-Reg] Error 2
> make[2]: Leaving directory `/home/znmeb/R-beta/tests'
> make[1]: *** [test-all-basics] Error 1
> make[1]: Leaving directory `/home/znmeb/R-beta/tests'
> make: *** [check-all] Error 2
> 
> I looked at "tests/reg-tests-1.Rout.fail"; it's 1427 lines long. The error given
> is
> 
> > ## Comments:
> >
> >
> > ## PR 796 (aic in binomial models is often wrong)
> > ##
> > a1 <- glm(cbind(ncases, ncontrols) ~ agegp + tobgp * alcgp,
> +     data = esoph, family = binomial())$aic
> > a1
> [1] 236.9645
> > a2 <- glm(ncases/(ncases+ncontrols) ~ agegp + tobgp * alcgp,
> +     data = esoph, family = binomial(), weights=ncases+ncontrols)$aic
> > a2
> [1] 236.9645
> > stopifnot(a1 == a2)
> Error: a1 == a2 is not TRUE
> Execution halted
> 
> I am running on an Athlon Thunderbird with Atlas 3.6.0 installed. If necessary,
> I can back Atlas out and run this again.

Hmm, could you replace the a1 == a2 with all.equal(a1, a2) instead?
(inside reg-tests-1.R of course)

Asking for identity up to machine precision does look a bit optimistic...

-- 
   O__  ---- Peter Dalgaard             Blegdamsvej 3  
  c/ /'_ --- Dept. of Biostatistics     2200 Cph. N   
 (*) \(*) -- University of Copenhagen   Denmark      Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)             FAX: (+45) 35327907