[R] graphical presentation

[Uwe Ligges]

"Noel M. Unciano" wrote:
> 
> I am trying to construct two-line graphs with axis(),

I don't know what you mean with "two-line graphs", maybe we can help, if
you specify your request more precisely, after reading the docs. 

>From the help
 ?axis
   Adds an axis to the current plot, allowing the specification 
   of the side, position, labels, and other options.


> but I am lost as to what argument to use to draw the
> second line.  With the xyz.coords, could i use the
> lty, col... arguments.  

>From the help
 ?xyz.coords
   Utility for obtaining consistent x, y and z coordinates 
   and labels for three dimensional (3D) plots. 

This function is designed to be used inside 3D-Plot functions. 
Since you know about this function: Your version of R is >= 1.1.0?


> Please advise me as to what to
> do with drawing lines from point coordinates, and
> enhancing graphical quality for presentation.

Hmm. What about
 plot(..., type="l")
or adding some lines using
 lines(...)
or
 segments(...)

What you should do at first is reading  "An Introduction to R", "R FAQ"
and the help files for ?plot, ?par and friends.

I think graphical quality in R is very enhanced! What is your way of
printing / exporting the graphics? And what OS?

Uwe Ligges
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