[R] panel.linejoin groups

[Deepayan Sarkar]

On 9/23/05, Erin Berryman <berr0179 at umn.edu> wrote:
> Both methods you listed do work, but type='l' is what I want, thank you
> for pointing that out to me. Incidentally, xyplot(type='l') printed
> much faster on the display than the panel.groups=() method.

Not surprising if you have many values of 'Date', since panel.linejoin
will try to compute the mean (of a length-1 vector) for each
combination of Date and groups.

Deepayan