[R] Please, need help with a plot
Uwe Ligges
ligges at statistik.tu-dortmund.de
Tue Jan 4 09:07:34 CET 2011
On 03.01.2011 14:25, Victor F Seabra wrote:
>
> although the code somehow didn't work on my Vista / R 2.8,
> it did work perfectly on a XP machine / R 2.10
An when you update both machines to a recent R-2.12.1 you will find how
much more will work in the end!
Uwe Ligges
>
> I've been trying to fix this for days,
> Thank you very much for your help!
>
>
> ______________________________________________________________________
>
> 02/01/2011 19:30, David Winsemius< dwinsemius at comcast.net> wrote:
>
> On Jan 2, 2011, at 1:15 PM, Ben Bolker wrote:
>
>> This is a little bit more 'magic' than I would like, but seems
>> to work. Perhaps someone else can suggest a cleaner solution.
>
> Here's the best I could come up with but will admit that there were
> many failed attempts before success:
>
> expr.vec<- as.expression(parse(text=table1$var1))
> plot(x=table1$var2 ,y=1:11, xlim=c(0,20), pch=20)
> text(x=table1$var2, y=1:11, labels=expr.vec, pos=4)
> title(x=15, y=5, expression("Yet another way to process strings with
> operators like '<=' )
>
> (The title expression works on my machine, but perhaps not on the OP's
> machine, given differences in encoding that have so far been exhibited.)
>
>
>> ages<- gsub("[^0-9]+","",table1$var1)
>> rel<- gsub("age\\s*([=<>]+)\\s*[0-9]+","\\1",table1$var1,perl=TRUE)
>>
>> with(table1,plot(var2,1:11,xlim=c(0,20),pch=20))
>> invisible(with(table1,
>> mapply(function(x,y,a,r) {
>> text(x=x,y=y,
>> switch(r,
>> `<=`=bquote(age<= .(a)),
>> `<`=bquote(age< .(a)),
>> `>=`=bquote(age>= .(a))),
>> pos=4)},
>> var2,1:11,ages,rel)))
>>
>> ______________________________________________
>> R-help at 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.
>
> David Winsemius, MD
> West Hartford, CT
>
> ______________________________________________
> R-help at 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.
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