r-help，
When I want to use jpeg() in R-2.1.1 which is installed in linux platform to
generate a jpeg file, the error occurs as following:
> jpeg()
Error in X11(paste("jpeg::", quality, ":", filename, sep = ""), width, :
unable to start device JPEG
In addition: Warning message:
unable to open connection to X11 display ''
> capabilities()
jpeg png tcltk X11 http/ftp sockets libxml fifo
FALSE FALSE TRUE FALSE TRUE TRUE TRUE TRUE
cledit IEEE754 iconv
TRUE TRUE TRUE
X11 device is existed in this machine, would you suggest me how to resolve this
problem.
Many thanks for your help and it will be greatly appreciated!
= = = = = = = = = = = = = = = = = = = =
Haiyan Pan
[EMAIL PROTECTED]
Tel: 021-64363311-123
Shanghai Center for Bioinformatics Technology
Floor 12th,100# QinZhou Road
Shanghai,China,200235
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