R devel - Oct 2006 - Problem tracking down an R CMD check syntax error

Dear all,

I am stuck with tracking down an error I get from R CMD check (Windows, R 2.4.0,
same error for R 2.2.1): when running R CMD check over a modified version of
package relaimpo, I get the following output in install.out:

preparing package relaimpo for lazy loading
Loading required package: MASS
Loading required package: boot
Error in parse(file, n, text, prompt) : syntax error at
2193: 
}
2194: 
Error: unable to load R code in package 'relaimpo'
Execution halted
make: *** [lazyload] Error 1
*** Installation of relaimpo failed ***

Regards, Ulrike

############## file which gets blamed #############
.onLoad <- function(lib, pkg){
   if(!require(MASS, quietly = TRUE))
        stop("Could not load package MASS")
   if(!require(boot, quietly = TRUE))
        stop("Could not load package boot")
   if(!require(methods, quietly = TRUE))
        stop("Could not load package methods")

cat("This is the non-US version of package relaimpo including the metric
pmvd.","\n")
cat("Please make sure that you are entitled to using
it.","\n")
cat("If you are a US-user, please use the global version (without pmvd)
that is available on CRAN.","\n")

#cat("This is the global version of package relaimpo.","\n")
#cat( "If you are a non-US user, a version with the interesting additional
metric pmvd is available","\n")
#cat("from Ulrike Groempings web site at
www.tfh-berlin.de/~groemp.","\n")

}

I've tracked down the "}" in question, and it is in the file zzz.R
that hasn't been changed for ages and works without problems in the current
version of the package. I include this file below. Does anyone have a hint for
me where I should look for the root cause of the problem ?

	[[alternative HTML version deleted]]

My original post got slightly messed up somehow, so let me restructure it in
order to make it understandable:

Dear all,

I am stuck with tracking down an error I get from R CMD check (Windows, R
2.4.0, same error for R 2.2.1): when running R CMD check over a modified
version of package relaimpo, I get the following output in install.out:

preparing package relaimpo for lazy loading
Loading required package: MASS
Loading required package: boot
Error in parse(file, n, text, prompt) : syntax error at
2193: 
}
2194: 
Error: unable to load R code in package 'relaimpo'
Execution halted
make: *** [lazyload] Error 1
*** Installation of relaimpo failed ***

I've tracked down the "}" in question, and it is in the file zzz.R
that
hasn't been changed for ages and works without problems in the current
version of the package. I include this file below. Does anyone have a hint
for me where I should look for the root cause of the problem ? 

Regards, Ulrike

############## file zzz.R which gets blamed #############
.onLoad <- function(lib, pkg){
?? if(!require(MASS, quietly = TRUE))
??????? stop("Could not load package MASS")
?? if(!require(boot, quietly = TRUE))
??????? stop("Could not load package boot")
?? if(!require(methods, quietly = TRUE))
??????? stop("Could not load package methods")

cat("This is the non-US version of package relaimpo including the metric
pmvd.","\n")
cat("Please make sure that you are entitled to using
it.","\n")
cat("If you are a US-user, please use the global version (without pmvd)
that
is available on CRAN.","\n")

#cat("This is the global version of package relaimpo.","\n")
#cat( "If you are a non-US user, a version with the interesting additional
metric pmvd is available","\n")
#cat("from Ulrike Groempings web site at
www.tfh-berlin.de/~groemp.","\n")

}

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