Supplement 1. Data and code for implementing model selection approaches for occupancy model.

File List occ.aux.mcmc.R (MD5: 9d685abe2f0c8f99f7070f9b77b95fe2) section.3.script.R (MD5: 12312816b70fb311b311fe193f705c96) section.4.c.script.R (MD5: 9fc45f466660b8223d7d157b23b86740) section.4.g.script.R (MD5: 9d8448444db1e44336e4b0f9ed999b55) section.5.script.R (MD5: 61ecda7858117325985da1da24261cf9) wt.csv (MD5: fcef00421bb21150fe3b4b9ae15e8333) USGS_Disclaimers.txt (MD5: f9465db5e3077500926435799380311f) Description occ.aux.mcmc.R: Main MCMC algorithm written in R. section.3.script.R: R script for performing analyses in section 3. section.4.c.script.R: R script for performing analyses in section 4c. section.4.g.script.R: R script for performing analyses in section 4g. section.5.script.R: R script for performing analyses in section 5. wt.csv: Willow tit data file. Column definitions y.1, binary variable indicating detection (1) on occasion 1. y.2, binary variable indicating detection (1) on occasion 2. y.3, binary variable indicating detection (1) on occasion 3. elev, continuous variable indicating elevation in meters. forest, continuous variable indicating percent forest cover. Missing values are denoted by NA. USGS_Disclaimers: Required disclaimers from the USGS.