[R] installing Packages

[Michael Dewey]

On 26/01/2015 16:51, Kenya Carpenter wrote:
> Dear R- Help
>
> When installing ggplot2 it seems to install correctly but then I can't load
> it.  My R session is copied below.  Can you help?
See below
>
>
>> install.packages("ggplot2")
> Installing package into ‘C:/Users/Kenya/Documents/R/win-library/3.1’
> (as ‘lib’ is unspecified)
> --- Please select a CRAN mirror for use in this session ---
> trying URL '
> http://lib.stat.cmu.edu/R/CRAN/bin/windows/contrib/3.1/ggplot2_1.0.0.zip'
> Content type 'application/zip' length 2675989 bytes (2.6 Mb)
> opened URL
> downloaded 2.6 Mb
>
> package ‘ggplot2’ successfully unpacked and MD5 sums checked
>
> The downloaded binary packages are in
>          C:\Users\Kenya\AppData\Local\Temp\RtmpCAsnP1\downloaded_packages
>> library(ggplot2)
> Error in loadNamespace(j <- i[[1L]], c(lib.loc, .libPaths()), versionCheck
> = vI[[j]]) :
>    there is no package called ‘Rcpp’
> Error: package or namespace load failed for ‘ggplot2’
>> library("ggplot2")
> Error in loadNamespace(j <- i[[1L]], c(lib.loc, .libPaths()), versionCheck
> = vI[[j]]) :
>    there is no package called ‘Rcpp’

The first thing to check is whether you in fact have Rcpp installed.

> Error: package or namespace load failed for ‘ggplot2’
>
>
> Thanks in advance,
> Kenya Carpenter
>
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-- 
Michael
http://www.dewey.myzen.co.uk