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Hello All,
I am running into a specific error indicating I should contact the package maintainer. I am fitting a robust design occupancy model (RDOccupPE) and getting reasonable estimates with no obvious problems in model fit. I would like to evaluate the potential for individual heterogeneity in detection but I run into an error trying to fit even dot models with mixtures (RDOccupHetPE).

The error is specific "Contact package maintainer. Following row names are duplicated:" and what follows is a list of the following row names
pi g1 s1 m1 (listed 36 times)
pi g1 s41 m1 (listed 35 times)
pi g1 s80 m1 (listed 35 times)
pi g1 s119 m1 (listed 35 times)

The data consists of 157 surveys from 21 sites, 4 primary occasions of 40,39,39,and 39 secondary occasions in length.

here are the first three rows of the design.data for pi:
$pi
par.index model.index group mixture session
1 1 8 1 1 1
2 2 9 1 1 1
3 3 10 1 1 1

So I can see the duplicate group, mixture, and sessions ID's that result in duplicate real parameter names. I thought it would be important to share this error, if interested, but I would be grateful for any info on why this problem arises and how I might address it.

Thanks!

There was a problem in the parameters.txt file that defines structure for each parameter in each model. This has been fixed in the version available at https://drive.google.com/open?id=0B77g1ScdUwVeb3I3Zmo4OXVneWc for Windows users and the tar.gz file at https://drive.google.com/open?id=0B77g1ScdUwVeU1lmYnloc3VzTEE for Mac and Linux users. These patches will be included in the next version sent to CRAN.

Great! Thanks Jeff!