On Fri, Oct 16, 2009 at 3:56 PM, Michael A. Gilchrist wrote:
> Hi Dieter,
>
> Thanks for the reply. I had played with the initial conditions, but
> apparently not enough. I finally found some that avoided the singularity
> issue. Many thanks.
>
> More generally, I went over the documentation ye
Hi Dieter,
Thanks for the reply. I had played with the initial conditions, but
apparently not enough. I finally found some that avoided the singularity
issue. Many thanks.
More generally, I went over the documentation yet again in P&B and I still
find it a bit confusing. They talk about
Michael A. Gilchrist wrote:
>
> -
>> nlme(Count ~ quad.PBMC.model(aL, aN, T0),
> + data = tissueData,
> + weights = varConstPower(form =~ Count),
> + start = list( fixed = c(rep(1000, 8), -2, -2) ),
> + fixed = list(T0 ~ TypeTissue-1, aL ~ 1,
Hello,
Excuse me for posting two questions in one day, but I figured it would be
better to ask my questions in separate emails. I will again give the caveat
that I'm not a statistician by training, but have a fairly decent
understanding of probability and likelihood.
As before, I'm trying t
4 matches
Mail list logo