On 14/08/14 19:49, Russell, Robin wrote:
> Hello list, does anyone have or know of anyone that has WinBUGS code 
> that will solve the following problem.
>
> I predict y as a function of x and then want to ask "for a given value 
> of y what is the most likely value of x?" Essentially I am looking for 
> calibration curve code.
>
Treat it as a missing data problem: basically put a prior on x. The 
complex example is St Veit in Vol. III of the examples. There's a simple 
missing data example here (IIRC Andrew Thomas came up with this, I added 
the typos):
<http://www.rni.helsinki.fi/~boh/Teaching/BAfLSSpain2007/E11MisLine.odc>
with slides here:
<http://www.rni.helsinki.fi/~boh/Teaching/BAfLSSpain2007/L12MissPred.pdf>

Bob

-- 

Bob O'Hara

Biodiversity and Climate Research Centre
Senckenberganlage 25
D-60325 Frankfurt am Main,
Germany

Tel: +49 69 7542 1863
Mobile: +49 1515 888 5440
WWW:   http://www.bik-f.de/root/index.php?page_id=219
Blog: http://blogs.nature.com/boboh
Journal of Negative Results - EEB: www.jnr-eeb.org

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