R CRAN, install library Rcpp fails after R3.2 upgrade -


i upgraded r-3.1 r-3.2. ok ( standard upgrade)

but upgrade seems have lost installed packages ( ggplot2, quantmod, rcpp among dozens , dozens of others).

so installed many rstudio tools menu option. successful. problem rcpp (when installing dependency ggplot2). same issue occurs when installing package data.table:

warning in install.packages :   unable move temporary installation ‘c:\users\euclid\documents\r\win-library\3.2\file40fc19bc2752\colorspace’ ‘c:\users\euclid\documents\r\win-library\3.2\colorspace’ package ‘rcpp’ unpacked , md5 sums checked warning in install.packages :   unable move temporary installation ‘c:\users\euclid\documents\r\win-library\3.2\file40fc53e26272\rcpp’ ‘c:\users\euclid\documents\r\win-library\3.2\rcpp’

note: identical error occurs when installing package rcpp on own.

any suggestions appreciated.

you need have 'vanilla' session without packages loaded in order update package -- well-known (and still annoying) windows shortcoming cannot update package had (object) code loaded. rcpp comes small dll ... bitten.


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