Re: [Bugs-r-devel] Mac bug regressions

[Uwe L. <li...@st...>]

Gorjanc Gregor wrote:
> ...
>>> Unless you can provide a reasonable defaul for Mac, we can not help you!
>> Umm.  According to my notes I did.  Or was that just a patch that I
>> applied to my local copy that was not incorporated into the mainline.
>> Can't find it right now.  But, the default for all Mac applications is
>> /Applications.  That was in the workaround I sent.  The reason is that
>> that the Mac filesystem has permissions since it is just the Unix filesystem
>> with a few bells and whistles.   The /Applications directory has the
>> permissions necessary to allow any user to install applications system-wide,
>> a nice compromise between security and practicality.  Other directories are
>> secure so they are not an option (and for real Mac applications, they actually
>> need to be in /Applications:  this is probably more than you need or want to know).
> 
> Thank you for this details. /Applications/WinBUGS14 then seems to be a good default
> for Mac. Does anyone have any other opinion? Additionally, I wonder how can we
> set this default. There is already a bunch of arguments for the bugs() functions. Should
> we use
> 
> bugs.directory=ifelse(???, "c:/Program Files/WinBUGS14/", "/Applications/WinBUGS14")
> 
> or should we change the bugs.directory in the code conditionally on the OS? Uwe?

If my opinion is of interest: Keep it as is and ask the user to provide 
the correct path (as we do already). On a German version of Windows (and 
corresponding default installation of WinBUGS), the correct path is 
"c:/Programme/WinBUGS14", hence the user has to change it there as well 
(we cannot introduce a guess for each possible combination of 
platform/OS/language anyway, I fear. We should rather stay with the 
default for most *Win*BUGS users: English local of more or less modern 
Windows OS.

BTW, sorry for slow and short responses, I am quite busy and overwhelmed 
by too many incoming mails (R-2.8.0 is in beta state and package 
management for CRAN takes some time for the rest of this week, since we 
have some problems left).

Best wishes,
uwe




>>> Btw. Why do you use setwd(".")? It does not make sense, since this is changing the working directory to
>>> the current one.
> 
>> I don't know.  I got that from the Solaris example that you guys helped me with.
>> I figured you guys know what you are doing.  My mistake :o)
> 
> Actually, you came up with the example and I (we) did not bother ;) What you need is
> basically the same as example in ?bugs:
> 
>      model.file <- system.file(package="R2WinBUGS", "model", "schools.txt")
>      # Some example data (see ?schools for details):
>      data(schools)
>      schools
> 
>      J <- nrow(schools)
>      y <- schools$estimate
>      sigma.y <- schools$sd
>      data <- list ("J", "y", "sigma.y")
>      inits <- function(){
>          list(theta=rnorm(J, 0, 100), mu.theta=rnorm(1, 0, 100),
>               sigma.theta=runif(1, 0, 100))
>      }
>      parameters <- c("theta", "mu.theta", "sigma.theta")
>      schools.sim <- bugs(data, inits, parameters, model.file,
>          n.chains=3, n.iter=5000,
>          bugs.directory="/Applications/WinBUGS14",
>          clearWD=TRUE)
> 
> Can you please test if this works for you? I would like to know if
> wine variables are properly initialized.
> 
> gg
> 
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