Hi, I´m trying to install new package in R (version 2.4.0) under windows vista and i have problems. I always receive the same message: Erro en zip.unpack(pkg, tmpDir) : no fue posible abrir el archivo 'C:/Program Files/R/R-2.4.0/library/file2019500d/mprobit/libs/mprobit.dll' It can´t open the file. I check the compatibility with the version and is ok, I have no idea where's the problem cause i'm the administrator and i've enough free space in the hard disc.
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