Thanks.
-- QQ: 1733768559 At 2014-04-15 17:56:01,"Jim Lemon" <j...@bitwrit.com.au> wrote: >On 04/15/2014 07:51 PM, meng wrote: >> Yes,it works ! >> What's the reason for it? >> >Hi meng, >As I understand it, the lattice graphics system produces plot >objects, not actual output on a graphic device. This is in aid >of having an object that can be modified or stored rather than >an image that cannot. The overloading of "print" to produce an >image is a bit counterintuitive, but I suppose there is some >historical reason for it. > >Jim > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list 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.