I have a problem with the RNetCDF package in MacOSX 10.8.3, R3.0.0. If you have a solution, it would be great ! Thanks a lot. Marc Girondot > install.packages("RNetCDF") essai de l'URL 'http://cran.at.r-project.org/bin/macosx/contrib/3.0/RNetCDF_1.6.1-2.tgz' Content type 'application/x-gzip' length 2071758 bytes (2.0 Mb) URL ouverte =================================================downloaded 2.0 Mb The downloaded binary packages are in /var/folders/6f/w2t25jws2ng_qqnvl4xgnnc00000gn/T//Rtmphm82to/downloaded_packages > library("RNetCDF", lib.loc="/Library/Frameworks/R.framework/Versions/3.0/Resources/library") Error : .onLoad a ?chou? dans loadNamespace() pour 'RNetCDF', d?tails : appel : NULL erreur : I/O error (udunits) Erreur : le chargement du package ou de l'espace de noms a ?chou? pour ?RNetCDF? -- __________________________________________________________ Marc Girondot, Pr Laboratoire Ecologie, Syst?matique et Evolution Equipe de Conservation des Populations et des Communaut?s CNRS, AgroParisTech et Universit? Paris-Sud 11 , UMR 8079 B?timent 362 91405 Orsay Cedex, France Tel: 33 1 (0)1.69.15.72.30 Fax: 33 1 (0)1.69.15.73.53 e-mail: marc.girondot at u-psud.fr Web: http://www.ese.u-psud.fr/epc/conservation/Marc.html Skype: girondot