[Rd] problem with glm (PR#452)

[Peter Dalgaard BSA]

mcneney@cs.sfu.ca writes:

> N_100; NREPS_100; lam.e_5; logit.inv_function(x){ exp(x)/(1+exp(x)) }
> for(i in (1:NREPS)) {
>    cat(paste("REP",i,"\n"))
>    T_rexp(N,(lam.e))
>    Delta_rbinom(N,1,logit.inv(1+T))
>    ff_glm(Delta ~ T,family=binomial(logit))
> }
>  
> It often completes all reps, but I occasionally get errors related to
> lengths of various objects, etc.:
...
> --please do not edit the information below--
> 
> Version:
>  platform = alpha-dec-osf5.0
>  arch = alpha
>  os = osf5.0
>  system = alpha, osf5.0
>  status = Patched
>  major = 0
>  minor = 99.0
>  year = 2000
>  month = February
>  day = 9
>  language = R
> 
> Search Path:
>  .GlobalEnv, Autoloads, package:base

I just did the above ~10 times on i386 and nothing happened. We've had
previous reports on trouble in the lm/glm/model.matrix etc. region on
Alpha. 

If you compile with all warnings on, are you getting warnings on
pointer/integer comparisons or assignments?

Can you create a reproducible case (with set.seed to keep the random
generator sequence constant) and would you know how run a debugger on
your version so that we can figure out what is going wrong?

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