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asbio (version 1.9-2)

moose.sel: Datasets for resource use and availability

Description

A collection of datasets which can be used to calculate and compare selection ratios. Datasets are: goat.sel, mule.sel, quail.sel, elk.sel, bighorn.sel, bighornAZ.sel, juniper.sel and are described (briefly) in Manly et al. (2002) and Aho and Bowyer (2015).

Usage

data(moose.sel)
data(goat.sel)
data(quail.sel)
data(elk.sel)
data(bighorn.sel)
data(bighornAZ.sel)
data(juniper.sel)

Arguments

Format

Dataframes with observations on the following variables.

resources

A factor listing resource types.

avail

Proportional availability (for datasets without n2 and y2).

y1

A numeric vector: number of times the resource was used.

y2

A numeric vector: number of time the resource was observed.

n1

A numeric vector: number of times that all resources were used.

n2

A numeric vector: number of times that all resources were observed.

References

Aho, K., and Bowyer, T. 2015. Confidence intervals for ratios of proportions: implications for selection ratios. Methods in Ecology and Evolution 6: 121-132.