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Hello All, Does anyone know how to specify a multivariate normal distribution with boundary constraints. The specification for a univariate normal variable in the positive region is: beta[t] ~ dnorm(0,0.25) I(0,) The specification for a multivariate normal distribution is: beta[t,1:5] ~dmnorm(Meanbeta,Precbeta[,]) It is not clear to me how to specify a truncated (i.e., restricted to the positive region) multivariate normal distribution. Any tips would be greatly appreciated. Ziad Elmously Kantar Disclaimer<http://www.kantar.com/disclaimer.html> ------------------------------------------------------------------- This list is for BUGS users to support each other, ask questions or share ideas. To mail the BUGS list, mail to [log in to unmask] Before mailing, please check the archive at www.jiscmail.ac.uk/lists/bugs.html Please do not mail attachments to the list. To leave the BUGS list, send LEAVE BUGS to [log in to unmask] If this fails, mail [log in to unmask], NOT the whole list