There was a thread on this recently.  Solutions were posted to allow you
to join interpolated points to ``real'' ones using a different line type.
See

http://finzi.psych.upenn.edu/R/Rhelp02a/archive/127669.html

        cheers,

                Rolf Turner

On 18/08/2008, at 2:10 PM, jim holtman wrote:

You can also do:

plot(approx(d[,1], d[,2], xout=d[,1]), type='b')

This will interprete the values between the missing values, but it is
probably best to leave it as you first had it with the missing lines
so that you know there is something different in the data.

On Sun, Aug 17, 2008 at 6:55 PM, stephen sefick <[EMAIL PROTECTED]> wrote:
d <- structure(c(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 1,
2, 3, 4, 5, 6, 7, 8, 9, 10, NA, NA, NA, 14), .Dim = c(14L, 2L
), .Dimnames = list(NULL, c("a", "b")))
plot(d, type="b")

This is simplified, but Is there an option I am missing that will
force all of the points to be joined by a line?

Stephen Sefick


--
Let's not spend our time and resources thinking about things that are
so little or so large that all they really do for us is puff us up and
make us feel like gods. We are mammals, and have not exhausted the
annoying little problems of being mammals.

       -K. Mullis

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--
Jim Holtman
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+1 513 646 9390

What is the problem that you are trying to solve?

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