eval(substitute(
qplot(x=xVariable,y=yVariable,data=diamonds,geom=c('point','smooth')),
list(xVariable=as.name("carat"), yVariable=as.name("price"))
))
Bill Dunlap
Spotfire, TIBCO Software
wdunlap tibco.com
> -----Original Message-----
> From: r-help-boun...@r-project.org
> [mailto:r-help-boun...@r-project.org] On Behalf Of Brian Diggs
> Sent: Thursday, May 26, 2011 2:07 PM
> To: Julian TszKin Chan
> Cc: r-help@r-project.org
> Subject: Re: [R] Question about ggplot2
>
> On 5/26/2011 12:29 PM, Julian TszKin Chan wrote:
> > Hi all,
> >
> > Is there any way for me to to string in the argument of
> qplot or ggplot? for
> > example
> >
> > qplot(x='carat',y='price',data=diamonds,geom=c('point','smooth'))
> > instead of
> > qplot(x=carat,y=price,data=diamonds,geom=c('point','smooth'))
>
> I don't know of a way using qplot, but it is possible with
> ggplot. Use
> aes_string instead of aes:
>
> ggplot(diamonds, aes(x=carat, y=price)) + geom_point() + geom_smooth()
>
> ggplot(diamonds, aes_string(x="carat", y="price")) + geom_point() +
> geom_smooth()
>
> > Thanks!!
> >
> > Regards,
> > TszKin Julian
> >
> > [[alternative HTML version deleted]]
>
> --
> Brian S. Diggs, PhD
> Senior Research Associate, Department of Surgery
> Oregon Health & Science University
>
> ______________________________________________
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