nonstratified_farrar: Data from line transect survey of kangaroos

In DistanceDevelopment/densgrad: Distance sampling in presence of animal gradients

Data from line transect survey of kangaroos

Description

Traditional line transect distance sampling data set. Required fields are Transect, Length, Distance and group

Usage

data("nonstratified_farrar")

Format

A data frame with 373 observations on the following 6 variables.

Stratum

a factor with levels Farrar

Area

size of stratum

Transect

a factor with levels transect0 transect1 transect10 transect12 transect14 transect15 transect16 transect18 transect19 transect20 transect21 transect23 transect4 transect7 transect8

Length

transect length

Distance

perpendicular distance from transect

group

number of individuals in detected group

Details

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Source

Marques, T. A., Buckland, S. T., Bispo, R., & Howland, B. (2013). Accounting for animal density gradients using independent information in distance sampling surveys. Statistical Methods & Applications, 22(1), 67-80. https://doi.org/10.1007/s10260-012-0223-2

References

Placeholder

Examples

data(nonstratified_farrar)
## maybe str(nonstratified_farrar) ; plot(nonstratified_farrar) ...

DistanceDevelopment/densgrad documentation built on April 23, 2024, 4:11 p.m.