Re: various observations (added to list)

[Daniel J S. <dan...@ie...>]

Hans-Bernhard Br=F6ker wrote:
> Now, as to the proposed prob3.dem itself.
>=20
> First off, this really should go into random.dem.  It doesn't really=20
> need yet another .dem file of its own.

I agree.  The prob.dem, prob2.dem doesn't really use the random data func=
tion.  It's more just plotting distributions and densities.  Inside rando=
m.dem would be good.

>=20
> +# demo for showing use of normal random numbers
> +
> +# Prepared by Dan Sebald
> +# History:
> +#    - 5.10.2006 ds: 1st version
>           ^^^^^^^^^
>=20
> Your calendar's off ;-)

It's always off.  :-)


>=20
> +set parametric
> +set isosamples 25,2
> +set samples 25
> +set table "temp.dat"
> +splot invnorm(rand(0)),invnorm(rand(0)),invnorm(rand(0))
> +unset table
>=20
> Looks like abuse of splot to me.  You generate 3 columns, but only use =
2=20
> below.

True, but doesn't reall hurt anything.  I used

      set samples 50
      plot invnorm(rand(0)),invnorm(rand(0))

to create just two columns.  However, when plotting with splot the follow=
ing notice appears:

      Notice: cannot contour non grid data!

It's innocuous, so big deal I guess.

How about the change to:

      splot invnorm(rand(0)),invnorm(rand(0)),-0.2

and make use of the third column by ridding the need for "using 1:2:(-0.2=
)"?

I've made that change in the attached version.

Also in the attached file is a histogram binning example for Gaussian dat=
a.  Is that one of any use?  (I think I sort of understand histeps now.) =
 It's basically a generalization of what is already inside "steps.dem".  =
Not really anything new I guess.

Dan