> On Oct 19, 2016, at 4:54 AM, Kevin E. Thorpe <kevin.tho...@utoronto.ca> wrote:
>
> Hello.
>
> I am posting this on behalf of one of my students who is getting error
> messages when installing some packages. I have not seen this before nor have
> I been able to replicate it. I'm including the relevant (I think)
> information. I get the students to install rms with dependencies. As you can
> see, rms does get installed but when the attempt is made to attach it,
> ggplot2 cannot be loaded. Thus I tried explicitly installing ggplot2 and you
> can see then ensuing errors below. I have included the sessionInfo() at the
> end.
>
> I hope someone can point me at a solution.
>
>
> R version 3.3.1 (2016-06-21) -- "Bug in Your Hair"
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>
> > install.packages("rms",dependencies=TRUE)
> Installing package into ‘C:/Users/Leticia/Documents/R/win-library/3.3’
> (as ‘lib’ is unspecified)
> --- Please select a CRAN mirror for use in this session ---
> trying URL
> 'http://cran.utstat.utoronto.ca/bin/windows/contrib/3.3/rms_4.5-0.zip'
> Content type 'application/zip' length 1074995 bytes (1.0 MB)
> downloaded 1.0 MB
>
> package ‘rms’ successfully unpacked and MD5 sums checked
>
> The downloaded binary packages are in
> C:\Users\Leticia\AppData\Local\Temp\Rtmpa0q2o2\downloaded_packages
> > library(rms)
> Loading required package: Hmisc
> Loading required package: lattice
> Loading required package: survival
> Loading required package: Formula
> Loading required package: ggplot2
> Error in loadNamespace(j <- i[[1L]], c(lib.loc, .libPaths()), versionCheck =
> vI[[j]]) :
> there is no package called ‘Rcpp’
When I try to debug the installation errors, I always first try to fix the
first error. In this case it is because Rcpp was not installed. The use of
dependencies=TRUE does not cause a recursive installation of dependencies of
dependencies. I would have simply used:
install.packages('Rcpp", dependencies=TRUE)
> Error: package ‘ggplot2’ could not be loaded
> > install.packages("ggplot2",dependencies=TRUE)
That was not the problem.
> Installing package into ‘C:/Users/Leticia/Documents/R/win-library/3.3’
> (as ‘lib’ is unspecified)
> also installing the dependency ‘maptools’
>
> trying URL
> 'http://cran.utstat.utoronto.ca/bin/windows/contrib/3.3/maptools_0.8-39.zip'
> Content type 'application/zip' length 1816384 bytes (1.7 MB)
> downloaded 0 bytes
>
> trying URL
> 'http://cran.utstat.utoronto.ca/bin/windows/contrib/3.3/ggplot2_2.1.0.zip'
> Content type 'application/zip' length 1996146 bytes (1.9 MB)
> downloaded 4096 bytes
>
> Error in read.dcf(file.path(pkgname, "DESCRIPTION"), c("Package", "Type")) :
> cannot open the connection
> In addition: Warning messages:
> 1: In download.file(url, destfile, method, mode = "wb", ...) :
> downloaded length 0 != reported length 1816384
> 2: In download.file(url, destfile, method, mode = "wb", ...) :
> downloaded length 4096 != reported length 1996146
> 3: In unzip(zipname, exdir = dest) : error 1 in extracting from zip file
> 4: In read.dcf(file.path(pkgname, "DESCRIPTION"), c("Package", "Type")) :
> cannot open compressed file 'maptools/DESCRIPTION', probable reason 'No such
> file or directory'
The second error suggests a temporary difficulty in the download process. I'm
guessing the user will not encounter it on a second attempt.
Best;
David.
> > library(rms)
> Loading required package: Hmisc
> Loading required package: ggplot2
> Error in loadNamespace(j <- i[[1L]], c(lib.loc, .libPaths()), versionCheck =
> vI[[j]]) :
> there is no package called ‘Rcpp’
> Error: package ‘ggplot2’ could not be loaded
> > session.info()
> Error: could not find function "session.info"
> > sessionInfo()
> R version 3.3.1 (2016-06-21)
> Platform: x86_64-w64-mingw32/x64 (64-bit)
> Running under: Windows 10 x64 (build 10586)
>
> locale:
> [1] LC_COLLATE=English_Canada.1252 LC_CTYPE=English_Canada.1252
> LC_MONETARY=English_Canada.1252
> [4] LC_NUMERIC=C LC_TIME=English_Canada.1252
>
> attached base packages:
> [1] stats graphics grDevices utils datasets methods base
>
> other attached packages:
> [1] Formula_1.2-1 survival_2.39-4 lattice_0.20-33
>
> loaded via a namespace (and not attached):
> [1] Matrix_1.2-6 tools_3.3.1 gtable_0.2.0 splines_3.3.1 grid_3.3.1
> >
>
> --
> Kevin E. Thorpe
> Head of Biostatistics, Applied Health Research Centre (AHRC)
> Li Ka Shing Knowledge Institute of St. Michael's Hospital
> Assistant Professor, Dalla Lana School of Public Health
> University of Toronto
> email: kevin.tho...@utoronto.ca Tel: 416.864.5776 Fax: 416.864.3016
>
> ______________________________________________
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David Winsemius
Alameda, CA, USA
______________________________________________
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