Interactions between individual and environmental covar

[Hoy]

Hi all,

I have a data set with 12 occasions, single state and want to model an interaction between an individual covariate and also an environmental one.

I have coded for it like this:

a(1:11).[i+t(1_11)*x(1)+xind(1)+t(1_11)*x(1).xind(1)]

The model appears to run ok, but I am not sure if it is doing what I want.

Is it possible to code for an interaction between individual covariates and environmental ones in this way?

If not could someone point me towards a good reference of how to code for such an interaction.

Many Thanks in advance

Hoy

[CHOQUET]

Hello,
I think that the sentence is correct.
Sincerely,
Rémi

[Hoy]

Remi,

Thanks for your response.

Sarah