Dear Sanjeev, It seems that you system neither supports X11 devices nor cairo devices. See http://lmgtfy.com/?q=R+unable+to+open+connection+to+X11 for possible solutions.
Best regards, ir. Thierry Onkelinx Statisticus / Statistician Vlaamse Overheid / Government of Flanders INSTITUUT VOOR NATUUR- EN BOSONDERZOEK / RESEARCH INSTITUTE FOR NATURE AND FOREST Team Biometrie & Kwaliteitszorg / Team Biometrics & Quality Assurance thierry.onkel...@inbo.be Havenlaan 88 bus 73, 1000 Brussel www.inbo.be /////////////////////////////////////////////////////////////////////////////////////////// To call in the statistician after the experiment is done may be no more than asking him to perform a post-mortem examination: he may be able to say what the experiment died of. ~ Sir Ronald Aylmer Fisher The plural of anecdote is not data. ~ Roger Brinner The combination of some data and an aching desire for an answer does not ensure that a reasonable answer can be extracted from a given body of data. ~ John Tukey /////////////////////////////////////////////////////////////////////////////////////////// 2018-02-01 16:18 GMT+01:00 Sariya, Sanjeev <ss5...@cumc.columbia.edu>: > Thanks for pointing to FAQ: I tried with cairo (shared in commands), > unfortunately didn't work. > > -- > Sanjeev Sariya > > > -----Original Message----- > From: Jeff Newmiller [mailto:jdnew...@dcn.davis.ca.us] > Sent: Thursday, February 01, 2018 10:12 AM > To: r-help@r-project.org; Sariya, Sanjeev <ss5...@cumc.columbia.edu>; > r-help@r-project.org > Subject: Re: [R] Error while working with png output on linux server > > 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" > <ss5...@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? >> >> >> [[alternative HTML version deleted]] >> >>______________________________________________ >>R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see >>https://stat.ethz.ch/mailman/listinfo/r-help >>PLEASE do read the posting guide >>http://www.R-project.org/posting-guide.html >>and provide commented, minimal, self-contained, reproducible code. > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
