Mallard count data

Mallard repeated count data and covariates

data(mallard)

Format

A list with 3 components

mallard.y

response matrix

mallard.site

site-specific covariates

mallard.obs

survey-specific covariates

References

Kery, M., Royle, J. A., and Schmid, H. (2005) Modeling Avaian Abundance from Replicated Counts Using Binomial Mixture Models. Ecological Applications 15(4), pp. 1450–1461.

Examples

data(mallard)
str(mallard.y)
#>  num [1:239, 1:3] 0 0 3 0 3 0 0 0 0 0 ...
#>  - attr(*, "dimnames")=List of 2
#>   ..$ : NULL
#>   ..$ : chr [1:3] "y.1" "y.2" "y.3"
str(mallard.site)
#> 'data.frame':	239 obs. of  3 variables:
#>  $ elev  : num  -1.173 -1.127 -0.198 -0.105 -1.034 ...
#>  $ length: num  0.801 0.115 -0.479 0.315 -1.102 ...
#>  $ forest: num  -1.156 -0.501 -0.101 0.008 -1.193 ...
str(mallard.obs)
#> List of 2
#>  $ ivel: num [1:239, 1:3] -0.506 -0.934 -1.136 -0.819 0.638 ...
#>   ..- attr(*, "dimnames")=List of 2
#>   .. ..$ : NULL
#>   .. ..$ : chr [1:3] "ivel.1" "ivel.2" "ivel.3"
#>  $ date: num [1:239, 1:3] -1.76 -2.9 -1.69 -2.19 -1.83 ...
#>   ..- attr(*, "dimnames")=List of 2
#>   .. ..$ : NULL
#>   .. ..$ : chr [1:3] "date.1" "date.2" "date.3"