Initial email:
Here is a runable program. When I plot Day and Wgt, it graphs all the data
points. All I need is daily.sub1 plotted. I also need each "Tanks" to have
its own col or pch. When I run it with the line with pch, it gives me
nothing.
rm(list=ls())
Trial<-rep(c(1,2),each=12)
Tanks=rep(c("a3","a4","c4","h4"),each=3,2)
Day=rep(c(1:12),2)
Wgt=c(1:24)
daily<-cbind(Trial, Tanks, Day, Wgt)
daily
daily.sub<-subset(daily, subset=Trial==2 & Tanks=="a4"|Trial==2 &
Tanks=="c4"|Trial==2 & Tanks=="h4")
daily.sub1<-as.data.frame(daily.sub)
attach(daily.sub1)
daily.sub1
x11()
plot(Day, Wgt)
#plot(Day, Wgt, pch=c(2,19,21)[Tanks])
detach(daily.sub1)
On Tue, Feb 2, 2010 at 4:38 PM, Rolf Turner <[email protected]> wrote:
>
>
> What did you ***expect*** or hope to get out of
>
> ``c(2,19,21)[Tanks]'' ????
>
> Please note that this expression makes no sense at all as it stands.
>
> You apparently want to use plotting symbols 2, 19, and 21 respectively,
> depending in some way upon the value in ``Tanks''. Since you have
> specified three plotting symbols and ``Tanks'' has *four* distinct
> values, this is somewhat mysterious.
>
> If you would just tell us what you are actually trying to *do* we would
> probably be able to tell you how to do it.
>
> cheers,
>
> Rolf Turner
>
>
> On 3/02/2010, at 2:19 PM, Marlin Keith Cox wrote:
>
> > I tried the following and still could not get it to work. I understand
> your
> > logic, but cannot get this to work.
> >
> > rm(list=ls())
> > Trial<-rep(c(1,2),each=12)
> > Tanks=rep(c("a3","a4","c4","h4"),each=3,2)
> > Day=rep(c(1:12),2)
> > Wgt=c(1:24)
> > daily<-cbind(Trial, Tanks, Day, Wgt)
> > daily
> > daily.sub<-subset(daily, subset=Trial==2 & Tanks=="a4"|Trial==2 &
> > Tanks=="c4"|Trial==2 & Tanks=="h4")
> > daily.sub1<-as.data.frame(daily.sub)
> >
> > x11()
> > plot(Day, Wgt, pch=c(2,19,21)[Tanks])
> > with(daily.sub1,c(2,19,21)[Tanks])
> >
> > On Tue, Feb 2, 2010 at 1:05 PM, Jeff Laake <[email protected]> wrote:
> >
> >> The problem is with attach. You should have seen an error that the
> objects
> >> are aliased. You have Tanks in your workspace and in the attached
> >> dataframe. It is using the one in your workspace which is not a factor
> >> variable. Try:
> >>
> >>
> >> c(2,19,21)[Tanks]
> >> with(daily.sub1,c(2,19,21)[Tanks])
> >>
> >> Avoid attach and use with which is a temporary attach that won't be
> subject
> >> to that problem.
> >>
> >> --jeff
> >>
> >> On 2/2/2010 11:51 AM, Marlin Keith Cox wrote:
> >>
> >>> Here is a runable program. When I plot Day and Wgt, it graphs all the
> >>> data
> >>> points. All I need is daily.sub1 plotted. I also need each "Tanks" to
> >>> have
> >>> its own col or pch. When I run it with the line with pch, it gives me
> >>> nothing.
> >>>
> >>> rm(list=ls())
> >>> Trial<-rep(c(1,2),each=12)
> >>> Tanks=rep(c("a3","a4","c4","h4"),each=3,2)
> >>> Day=rep(c(1:12),2)
> >>> Wgt=c(1:24)
> >>> daily<-cbind(Trial, Tanks, Day, Wgt)
> >>> daily
> >>> daily.sub<-subset(daily, subset=Trial==2& Tanks=="a4"|Trial==2&
> >>> Tanks=="c4"|Trial==2& Tanks=="h4")
> >>> daily.sub1<-as.data.frame(daily.sub)
> >>> attach(daily.sub1)
> >>> daily.sub1
> >>> x11()
> >>> plot(Day, Wgt)
> >>> #plot(Day, Wgt, pch=c(2,19,21)[Tanks])
> >>> detach(daily.sub1)
> >>>
> >>>
> >>>
> >>
> >
> >
> > --
> > M. Keith Cox, Ph.D.
> > Alaska NOAA Fisheries, National Marine Fisheries Service
> > Auke Bay Laboratories
> > 17109 Pt. Lena Loop Rd.
> > Juneau, AK 99801
> > [email protected]
> > [email protected]
> > U.S. (907) 789-6603
> >
> > [[alternative HTML version deleted]]
> >
> > ______________________________________________
> > [email protected] mailing list
> > https://stat.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html<http://www.r-project.org/posting-guide.html>
> > and provide commented, minimal, self-contained, reproducible code.
>
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--
M. Keith Cox, Ph.D.
Alaska NOAA Fisheries, National Marine Fisheries Service
Auke Bay Laboratories
17109 Pt. Lena Loop Rd.
Juneau, AK 99801
[email protected]
[email protected]
U.S. (907) 789-6603
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