minke {Distance} | R Documentation |
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 5 variables:
-
Region.Label
stratum label ("North"
or"South"
) -
Area
stratum area -
Sample.Label
transect identifier -
Effort
transect length -
distance
observed distance -
object
unique object ID
Details
Data are included here as both R data and as an Excel spreadsheet to
illustrate the "flat file" input method. See flatfile
for how
to load this data and an example analysis.
Source
Shipped with the Distance for Windows.
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. Spatial Models for Line Transect Sampling. Journal of Agricultural, Biological, and Environmental Statistics 9, no. 2 (2004): 181-199. doi:10.1198/1085711043578.
Examples
data(minke)
head(minke)