RMark (version 2.1.1)

salamander: Salamander occupancy data

Description

An occupancy data set for modelling presence/absence data for salamanders.

Details

This is a data set that accompanies program PRESENCE and is explained on page 99 of MacKenzie et al. (2006).

References

MacKenzie, D.I., Nichols, J. D., Royle, J.A., Pollock, K.H., Bailey, L.L., and Hines, J.E. 2006. Occupancy Estimation and Modeling: Inferring Patterns and Dynamics of Species Occurence. Elsevier, Inc. 324p.

Examples

do.salamander=function()
{
   data(salamander)
   occ.p.dot=mark(salamander,model="Occupancy")
   occ.p.time=mark(salamander,model="Occupancy",
         model.parameters=list(p=list(formula=~time)))
   occ.p.mixture=mark(salamander,model="OccupHet",
         model.parameters=list(p=list(formula=~mixture)))
   return(collect.models())
}
salamander.results=do.salamander()
print(salamander.results)