Re: "set samples" with two lines

[Lutz M. <lut...@gm...>]

On Sun, Nov 1, 2009 at 8:42 AM, Allin Cottrell <cot...@wf...> wrote:
> I'd like to plot two probability distribution curves together (in
> a 2D graph), one a continuous pdf (e.g. Gaussian) and the other
> discrete (e.g. Poisson or binomial).
>
> I can get a nice plot of each, separately, by setting a high
> "samples" value for the continuous distribution and an appropriate
> low value, corresponding to the number of integer values in the x-
> or t-range, for the discrete one. But in a 2D plot there's only
> one "samples" setting available.

Maybe you could downsample inside the evaluation of the discrete
function, something like this:

rnd(x)=int(x+0.5)
f(x)=exp(-x)
g(x)=f(rnd(x))
plot [0:5] f(x), g(x)

Hope this helps,

  Lutz