[R-SIG-Mac] Error while loading packages R 2.14.0

[Dan Tenenbaum]

On Sat, Nov 12, 2011 at 3:25 PM, Riccardo Romoli <ric.romoli at gmail.com> wrote:
> Hi, I have already installed R 2.14.0 and I have some problem to load
> several packages, in particular xcms package. I installed it directly from
> the GUI and when I try to load it the R I have:
>
>> library(xcms)
> Error in dyn.load(file, DLLpath = DLLpath, ...) :
>  unable to load shared object
> '/Users/riccardoromoli/Library/R/2.14/library/xcms/libs/x86_64/xcms.so':
>  dlopen(/Users/riccardoromoli/Library/R/2.14/library/xcms/libs/x86_64/xcms.so,
> 6): Library not loaded: /usr/local/lib/libnetcdf.7.dylib
>  Referenced from:
> /Users/riccardoromoli/Library/R/2.14/library/xcms/libs/x86_64/xcms.so
>  Reason: image not found
> Inoltre: Warning message:
> In library(pkg, character.only = TRUE, logical.return = TRUE, lib.loc =
> lib.loc) :
>  there is no package called ‘digest’
> Errore: package/namespace load failed for ‘xcms’
>>
>
> I think the error is the absence of ibnetcdf.7.dylib. Do you have any idea
> how can I correct this error??
>

xcms requires netcdf and zlib, these can be installed from here:
http://www.unidata.ucar.edu/software/netcdf/

The recommended way to install Bioconductor packages is not from the
GUI but as follows:

source("http://bioconductor.org/biocLite.R")
biocLite("xcms")

Dan


> Best
>
> Riccardo
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