Deepayan,
Thanks for providing a solution. While this is close to my goal, I want one
more change. The line type (lty) should be the same for long and short. The
line type should only change according to “name” group. So the the graph will
have two line types (not four as in your solution).
Is it possible?
Thanks,
Narrsh
Sent from my iPhone
> On Aug 10, 2022, at 9:37 AM, Deepayan Sarkar <deepayan.sar...@gmail.com>
> wrote:
>
> On Wed, Aug 10, 2022 at 4:53 PM Naresh Gurbuxani
> <naresh_gurbux...@hotmail.com> wrote:
>>
>>
>> I want to merge two panels into one. Is it possible to do this?
>>
>> Thanks,
>> Naresh
>>
>> library(lattice)
>> mydf <- data.frame(date = rep(seq.Date(as.Date("2022-08-01"), by = 1,
>> length.out = 10), 2), name = c(rep("Aa", 10), rep("Bb", 10)),
>> long = runif(20, 2, 10), short = runif(20, -10, 0))
>>
>> # This plots data in two panels. I want all four lines in one panel.
>> xyplot(long + short ~ date, groups = name, data = mydf, type = c("l",
>> "g"))
>
> The "extended" formula API (with +) is really only meant as an
> alternative to reshape() for simple cases. In your case, you probably
> want something like
>
> mydf.long = reshape(mydf, direction = "long", varying = list(c("long",
> "short")), v.names = "X", timevar = "G", times = c("long", "short"))
>
> xyplot(X ~ date, groups = interaction(name, G), data = mydf.long, type
> = c("l", "g"))
>
> -Deepayan
>
>> # This does not work
>> # No error in R session
>> # Graph window says: "Error using packet 1
>> # argument 'subscripts' is missing, with no default"
>> xyplot(long ~ date, data = mydf, groups = name, type = c("l", "g"),
>> panel = function(x, y, ..., subscripts) {
>> panel.xyplot(x, y, ...)
>> panel.xyplot(mydf$date[subscripts], mydf$short[subscripts], ...)})
>>
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