Message-ID: <971536df05052414201f006b5f@mail.gmail.com>
Date: 2005-05-24T21:20:41Z
From: Gabor Grothendieck
Subject: Missing Data Line Type?
In-Reply-To: <OFBDE6888E.13F52A8D-ON8625700B.0070C372-8625700B.00715558@fd9ns01.okladot.state.ok.us>
On 5/24/05, khobson at fd9ns01.okladot.state.ok.us
<khobson at fd9ns01.okladot.state.ok.us> 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)
lines(x)
>
> 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.