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Hi, i have a problem with png device that is my error log "> png(file="figure1.png");plot(significant,type="scatter");dev.off() Error in X11(paste("png::", filename, sep = ""), width, height, pointsize, : unable to start device PNG In addition: Warning message: unable to open connection to X11 display '' " i searched the mailing

Hi, Dear all, i encounted a problem with tcl/tk installation actually i want to install q-value package i use the R CMD INSTALL command: [root@bioinfo ~]# R CMD INSTALL qvalue_1.20.0.tar.gz * Installing to library �usr/local/lib64/R/library� * Installing *source* package ‘qvalue�... ** R ** data ** inst ** preparing package for lazy loading Error in firstlib(which.lib.loc, package) :

Dear list members, i am currently want to install Rpy2 in a linux box which has R 2.4.0 installed RPy requries R 2.7.0 or above but i have no root previlleges so my question is how to install R 2.7.0 on my own directory? and replace the system installed R 2.4.0 when i input R command from the bash Shell? thanks for any reply. Best Regards! -- Daofeng Li,PhD Candidate China Agricultural