It's not immediately obvious
You need to look at coord_cartesian() and its ylim argument.
Best, t
Sent from my iPhone
On 4 Aug 2011, at 02:38 PM, Christopher Desjardins <cddesjard...@gmail.com>
wrote:
> Hi,
> I am using ggplot2 to with the following code:
>
> gmathk2 <-
> qplot(time,math,colour=Kids,data=kids.ach.lm.k5,geom="smooth",method="lm",formula=y~ns(x,1))
> + opts(title="Smoother Plot: Math K-5") + xlab("Time") + ylab("Math") +
> scale_colour_brewer(pal="Set1"); gmathk2
>
> This plots all the smoother for all the x values. What I'd like to do is
> plot the smoother for the x values that are only greater than or equal to 0.
> I don't want this:
>
> gmathk2 <-
> qplot(time,math,colour=Kids,data=kids.ach.lm.k5,geom="smooth",method="lm",formula=y~ns(x,1))
> + opts(title="Smoother Plot: Math K-5") + xlab("Time") + ylab("Math") +
> scale_colour_brewer(pal="Set1") + xlim(0,50); gmathk2
>
> Because adding xlim seems to throw away the data below 0 when calculating
> the smoother. What I want it to do is have ggplot2 give me the same graph as
> the first command but just not plot the part of the smoother that is below
> 0.
>
> Thanks,
> Chris
>
> [[alternative HTML version deleted]]
>
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