Re: how to visualize 3+D normal density contour?
- To: mathgroup at smc.vnet.net
- Subject: [mg64187] Re: [mg64152] how to visualize 3+D normal density contour?
- From: Darren Glosemeyer <darreng at wolfram.com>
- Date: Sat, 4 Feb 2006 04:13:42 -0500 (EST)
- Sender: owner-wri-mathgroup at wolfram.com
An EllipsoidQuantile can be used to visualize one surface.
<< Statistics`MultinormalDistribution`
dist = MultinormalDistribution[{0, 0, 0}, {{1, .5, .5}, {.5,
1, .5}, {.5, .5, 1}}, x];
Show[Graphics3D[EllipsoidQuantile[dist, .5]], Axes -> True]
To visualize more than one at a time, the surfaces would need to be sliced
in some way to see the inner surfaces.
Show[Table[Graphics3D[
EllipsoidQuantile[dist, q]], {q, .1, .9, .2}], Axes -> True, PlotRange
-> {All, {0, 3}, All}]
Darren Glosemeyer
Wolfram Research
At 07:09 PM 2/2/2006 -0500, gino wrote:
>Hi all,
>
>How do I visualize a contour of a tri-variate normal distribution?
>
>I just like to see the ellipsoid very much. I hope there is a easy way or
>existing method.
>
>Thank you a lot!