Stratify_example: Simulated minke whale data
Description
Data simulated from models fitted to 1992/1993 Southern Hemisphere minke whale data collected by the International Whaling Commission. See Branch and Butterworth (2001) for survey details (survey design is shown in figure 1(e)). Data simulated by David Borchers.
Format
data.frame with 99 observations of 7 variables:
Region.Label | stratum label ("North" or "South") |
Area | stratum area (square nautical mile) |
Sample.Label | transect identifier |
Effort | transect length (nautical mile) |
object | object ID |
distance | observed distance (nautical mile) |
Study.Area | name of study area |
References
Branch, T.A. and D.S. Butterworth. (2001) Southern Hemisphere minke whales: standardised abundance estimates from the 1978/79 to 1997/98 IDCR-SOWER surveys. Journal of Cetacean Research and Management 3(2): 143-174
Hedley, S.L., and S.T. Buckland. (2004) Spatial models for line transect sampling. Journal of Agricultural, Biological, and Environmental Statistics 9: 181-199. doi:10.1198/1085711043578.
