[R] R2winbugs : vectorization

Philip A. Viton viton.1 at osu.edu
Wed Dec 17 19:20:23 CET 2008

Many thanks to all responders. It turns out that there is a winbugs 
update available, which defines a new version of inprod, inprod2. 
Using inprod2 the vectorized code runs in about the same time as the 
"scalar" version.

On the print problem: the issue here turns out to be that the arm 
package (or one of the packages it loads) resets digits to 2. So the 
solution is to reset digits ( options("digits"=5) or whatever) after 
loading your packages.

Thanks again!

Philip A. Viton
City Planning, Ohio State University
275 West Woodruff Avenue, Columbus OH 43210
viton.1 at osu.edu

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