From: Deepayan Sarkar <deepayan_at_stat.wisc.edu>

Date: Wed 04 May 2005 - 12:59:21 EST

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 Received on Wed May 04 13:05:15 2005

Date: Wed 04 May 2005 - 12:59:21 EST

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 Received on Wed May 04 13:05:15 2005

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