On Tuesday 03 May 2005 10:44, Arenas, David R. CIV NAVAIR DEPT wrote: > Dear R community, > > My previous email was incomplete because I used html format. Here it > is again and sorry for any inconvenience: > > xyplot (lattice) has been great in displaying tons of data for my > research. I have used the following two xyplot commands (with > example dataframe) to create two separate postscript/pdf files with > respect to the variable "acft" and subset "status": > > test.df <- data.frame(acft=factor(c("A","B","C","D")), > > status=factor(c("fail","pass","fail","pass")), > site=factor(c("E1","E1","E2","E2")), CD=as.numeric(c(1,1,3,3)), > H=as.numeric(c(80,NA,60,NA))) > > xyplot(H ~ CD | acft, > data=test.df, > subset=status=="fail", > layout=c(1,1) ) > > xyplot(site ~ CD | acft, > data=test.df, > subset=status=="pass", > layout=c(1,1) ) > > I would like to combine all graphs into one file in alphabetical > order of variable "acft". The graphs would be one per page where in > fact I use layout=c(1,1) for the nice and easily seen strip labels > for "acft". The problem I am having is combining x-y plots that are > numeric vs numeric & numeric vs factor. I have search the R-help > archives and R-project references for an example to no avail. I am > thinking I may have to use something (lattice or not) like ... > > if any(test.df$Status=="fail") > plot(H ~ CD) > else > plot(site ~ CD) > > with "for" in the beginning to loop through all data with respect to > acft. I need a hint on how to further this along. I am using > R.2.1.0 via Windows XP.
I can't think of a clean way to do this. You could of course do xyplot(ifelse(status == "pass", as.numeric(site), H) ~ CD| acft, data=test.df, scales = "free", layout=c(1,1) ) but this wouldn't give very nice axis labels for the factor (unless you specify them manually, which could be done). Deepayan ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html