Question: qrqc with error message of "unable to start device PNG" and "unable to open connection to X11 display"?
7.5 years ago by
Sang Chul Choi • 230
Sang Chul Choi • 230 wrote:
Hi, I am trying to use qrqc Bioc package in a linux machine used as a compute node. I have the following error: ==================== Error in X11(paste("png::", filename, sep = ""), g$width, g$height, pointsize, : unable to start device PNG In addition: Warning message: In grDevices::png(..., width = width, height = height, res = dpi, : unable to open connection to X11 display '' ==================== I have googled for an answer and bumped into following mailing list posts: https://stat.ethz.ch/pipermail/r-help/2008-March/155943.html https://stat.ethz.ch/pipermail/r-help/2008-February/155021.html https://stat.ethz.ch/pipermail/r-help/2008-February/155023.html It is not obvious what I should do. I will appreciate your answers. Thank you, SangChul
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