Re: [R] Missing Data Line Type?

From: Gabor Grothendieck <>
Date: Wed 25 May 2005 - 07:20:41 EST

On 5/24/05, <> wrote:
> I have a general question. Is there a setting that can be used for a
> multiple line type? The situation is that I want a solid line between x
> and y points but if the y point is missing, I want a dashed line type to
> the next point. In other words, if point 1 to 2 exists, make that line
> solid, otherwise, make it dashed up to the next existing x/y point.

plot(approx(x), type = "l", lty = 2)

> Additionally, what plot type would you recommend for a plot with two Y
> points per X? The two points would be joined by a vertical line. The
> average of the two is the dual type line described above.

See ?segments .

Also you might be able to use directly or else scavenge code from plotCI in package gplots (in the gregmisc bundle) or plotOHLC in package tseries. mailing list PLEASE do read the posting guide! Received on Wed May 25 07:35:26 2005

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