Hung-Jen Wang
>
> I'd like to know whether its possible to draw a scatter plot with
> both point-to-point connections and cubic splines.
>
> To illustrate the problem, consider the following data.
>
> ---------- data begin -----------
> input y x
> 0.5 1
> 0.1 2
> 0.2 3
> 0.7 4
> 0.9 5
> 0.4 6
> 0.3 7
> 0.7 8
> 0.5 9
> 0.2 10
> end
> ---------- data end --------------
>
> The following command draws the graph with each points of y
> connected together.
>
> graph y x, c(l) s(o)
>
> I can also draw the graph with cubic splines to show the
> "tendencies" of y. This is done using the -bands()- option.
>
> graph y x, c(s) s(o) bands(4)
>
> My problem: I would like to have a "combined" graph with one of
> the above graphs superimposes onto the other. That is, I want to
> have a graph that shows both kinds of lines: point-to-point
> connections, and the cubic splines.
>
graph y y x, c(ls) sy(oi) bands(4)
Nick
n.j.cox@durham.ac.uk
*
* For searches and help try:
* http://www.stata.com/support/faqs/res/findit.html
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/