[R] Error while working with png output on linux server

Jeff Newmiller
2018-02-01T15:11:50Z

FAQ 7.19?

Also, read the Posting Guide, in particular about posting using plain text.
--
Sent from my phone. Please excuse my brevity.

On February 1, 2018 6:50:42 AM PST, "Sariya, Sanjeev" <ss5505 at
cumc.columbia.edu> wrote:
>I'm working on linux server:
>Linux  4.9.0-4-amd64 #1 SMP Debian 4.9.51-1 (2017-09-28) x86_64
>GNU/Linux
>
>I get error while creating png files. I'm sharing my commands and error
>while I run those commands:
>
>>png("abc", type="cairo")
>Error in .External2(C_X11, paste0("png::", filename), g$width,
>g$height,  :
>  unable to start device PNG
>In addition: Warning message:
>In png("abc", type = "cairo") : unable to open
connection to X11
>display ''
>
>> png("apoeqqplot.png", res=600)
>Error in .External2(C_X11, paste0("png::", filename), g$width,
>g$height,  :
>  unable to start device PNG
>In addition: Warning message:
>In png("apoeqqplot.png", res = 600) :
>  unable to open connection to X11 display ''
>
>dev.off()
>
>R version 3.4.2 (2017-09-28)
>Platform: x86_64-pc-linux-gnu (64-bit)
>Running under: Debian GNU/Linux 9 (stretch)
>
>Matrix products: default
>BLAS: /mnt/mfs/cluster/bin/R-3.4/lib/libRblas.so
>LAPACK: /mnt/mfs/cluster/bin/R-3.4/lib/libRlapack.so
>
>locale:
>[1] LC_CTYPE=en_US.UTF-8       LC_NUMERIC=C
>[3] LC_TIME=en_US.UTF-8        LC_COLLATE=en_US.UTF-8
>[5] LC_MONETARY=en_US.UTF-8    LC_MESSAGES=en_US.UTF-8
>[7] LC_PAPER=en_US.UTF-8       LC_NAME=C
>[9] LC_ADDRESS=C               LC_TELEPHONE=C
>[11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C
>
>attached base packages:
>[1] stats     graphics  grDevices utils     datasets  methods   base
>
>other attached packages:
>[1] CMplot_3.3.1
>
>loaded via a namespace (and not attached):
>[1] compiler_3.4.2 tools_3.4.2
>
>
>How do I fix this?
>
>
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>
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