Re: [R] Constrained Poisson model / Bayesian Poisson model

2016-01-23 Thread mara . pfleiderer
Hi David, I'm sorry. I'm not familiar with posting problems on helppages. As the data I deal with is confidential I can't provide all details, but I will try to be as precise as possible about my problem: As I said I'm working on a Poisson regression model with a linear predictor and the identit

[R] Constrained Poisson model / Bayesian Poisson model

2016-01-22 Thread mara . pfleiderer
Hi all, I am dealing with a problem about my linear Poisson regression model (link function=identity). I am using the glm()-function which results in negative coefficients, but a negative influence of the regressors wouldn't make sense. (i) Is there a possibility to set constraints on the

[R] parameter constraints in glm() and Bayesian version

2016-01-14 Thread mara . pfleiderer
or similar functions)? (ii) Is there a Bayesian version of the glm()-function where I can specify the prior distribution for my regression parameters? Thanks in advance! Kind regards, Mara Pfleiderer __ R-help@r-project.org mailing list -- To UNSUBSCRIB