R help - Apr 2016 - 3D surface plot

Dear R users,

I am trying to generate a 3D surface plot given the inflator formula in the
attached file.

Now, I want to create a 3D plot showing how Delta changes with the values of
Abs(B) and sigma. The other variables in the formula are constant. Delta is
calculated daily therefore the subscript t which denotes the day. I have used
different functions and different packages but I get either wrong results or an
error in R.

Does anyone have an idea which function I should use?

Furthermore, I think I have to create a matrix using the formula above but I do
not know how to do that in this connection. Can any body help me with the code
for this purpose?

Thanks a lot in advance.

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There are several packages and functions that can do this (e.g. search
on "3d surface plots" at rseek.org or internet search engine).

You are much more likely to get a helpful answer if you provide a
minimal data set (e.g. via dput() ) and code from any function(s) and
package(s) that you tried. A pdf with a formula in it is not very
r-helper friendly.

Cheers,
Bert



Bert Gunter

"The trouble with having an open mind is that people keep coming along
and sticking things into it."
-- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )


On Sat, Apr 30, 2016 at 10:48 AM, T.Riedle <tr206 at kent.ac.uk>
wrote:
> Dear R users,
>
> I am trying to generate a 3D surface plot given the inflator formula in the
attached file.
>
> Now, I want to create a 3D plot showing how Delta changes with the values
of Abs(B) and sigma. The other variables in the formula are constant. Delta is
calculated daily therefore the subscript t which denotes the day. I have used
different functions and different packages but I get either wrong results or an
error in R.
>
> Does anyone have an idea which function I should use?
>
> Furthermore, I think I have to create a matrix using the formula above but
I do not know how to do that in this connection. Can any body help me with the
code for this purpose?
>
> Thanks a lot in advance.
>
>
> ______________________________________________
> R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.