The easiest way to do with this ggplot2 is to melt your data first:
dfm <- melt(df, id = "date", measure = c("theta","vega","delta"))
qplot(date, value, data=dfm, geom="line", colour = variable)
Hadley
On Tue, Jul 22, 2008 at 6:05 PM, R_Learner <[EMAIL PROTECTED]> wrote:
>
> Hi,
> I'm trying to
You can set the range for each axis on your plot using the ylim and xlim
parameters (use help to see how to implement them). You can find the range
or minimum and maximum for each variable (or a number of variables at once)
using the min and max commands.
If you're ranges vary too much though i
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