Welcome to the users' group for the R package "unmarked". Before submitting a question, please search through the archives of this list for a similar topic. And please read the documentation and work through the examples found by typing the R commands:
When submitting a question, please provide a self-contained example. If you have never submitted a question before, your post will need to be manually approved before it appears; this may take some time (hours to days). Thanks for using unmarked.