[R] Warning in install.packages : converting NULL pointer to R NULL

[Rolf Turner]

Hi Rui.  Doesn't happen to me under Ubuntu 18.04:

> install.packages('cowplot',lib=.Rlib) 
> trying URL 'https://cloud.r-project.org/src/contrib
>/cowplot_1.0.0.tar.gz'
> Content type 'application/x-gzip' length 1275585 bytes (1.2 MB)
> ==================================================
> downloaded 1.2 MB
> 
> * installing *source* package ‘cowplot’ ...
> ** package ‘cowplot’ successfully unpacked and MD5 sums checked
> ** using staged installation
> ** R
> ** inst
> ** byte-compile and prepare package for lazy loading
> ** help
> *** installing help indices
> *** copying figures
> ** building package indices
> ** installing vignettes
> ** testing if installed package can be loaded from temporary location
> ** testing if installed package can be loaded from final location
> ** testing if installed package keeps a record of temporary installation path
> * DONE (cowplot)
> 
> The downloaded source packages are in
> 	‘/tmp/RtmpG8wb97/downloaded_packages’

My session info is as follows:

> sessionInfo()
> R version 4.0.0 (2020-04-24)
> Platform: x86_64-pc-linux-gnu (64-bit)
> Running under: Ubuntu 18.04.4 LTS
> 
> Matrix products: default
> BLAS:   /usr/lib/x86_64-linux-gnu/atlas/libblas.so.3.10.3
> LAPACK: /usr/lib/x86_64-linux-gnu/atlas/liblapack.so.3.10.3
> 
> Random number generation:
>  RNG:     Mersenne-Twister 
>  Normal:  Inversion 
>  Sample:  Rounding 
>  
> locale:
>  [1] LC_CTYPE=en_GB.UTF-8       LC_NUMERIC=C              
>  [3] LC_TIME=en_NZ.UTF-8        LC_COLLATE=en_GB.UTF-8    
>  [5] LC_MONETARY=en_NZ.UTF-8    LC_MESSAGES=en_GB.UTF-8   
>  [7] LC_PAPER=en_NZ.UTF-8       LC_NAME=C                 
>  [9] LC_ADDRESS=C               LC_TELEPHONE=C            
> [11] LC_MEASUREMENT=en_NZ.UTF-8 LC_IDENTIFICATION=C       
> 
> attached base packages:
> [1] stats     graphics  grDevices utils     datasets  methods   base     
> 
> other attached packages:
> [1] brev_0.0-4
> 
> loaded via a namespace (and not attached):
> [1] compiler_4.0.0 tools_4.0.0  

No idea what to suggest.  Sorry.

cheers,

Rolf

-- 
Honorary Research Fellow
Department of Statistics
University of Auckland
Phone: +64-9-373-7599 ext. 88276