secr: esaplotsecr – R documentation

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esaplotsecr

Mask Buffer Diagnostic Plot (internal)

Description

Internal function used to plot effective sampling area (Borchers and Efford 2008) as a function of increasing buffer width given an ‘secr’ object

Usage

esa.plot.secr (object, max.buffer = NULL, max.mask = NULL,
    thin = 0.1, poly = NULL, poly.habitat = TRUE, session = 1, plt = TRUE, 
    type = "density", add = FALSE, overlay = TRUE, conditional = FALSE, ...)

Arguments

`object`	`secr` object output from `secr.fit`
`max.buffer`	maximum width of buffer in metres
`max.mask`	`mask` object
`thin`	proportion of mask points to retain in plot and output
`poly`	matrix of two columns interpreted as the x and y coordinates of a bounding polygon (optional)
`poly.habitat`	logical as in `make.mask`
`session`	vector of session indices (used if `object` spans multiple sessions)
`plt`	logical to plot results
`type`	character; see `esa.plot`
`add`	logical to add line to an existing plot
`overlay`	logical; if TRUE then automatically `add = TRUE` for plots after the first
`conditional`	logical; see `esa.plot`
`...`	graphical arguments passed to plot() and lines()

Details

esa.plot.secr provides a wrapper for esa.plot that is called internally from esa.plot when it is presented with an secr object. Arguments of esa.plot such as detectfn are inferred from the fitted model.

If max.mask is not specified then a maximal mask of type ‘trapbuffer’ is constructed using max.buffer and the spacing of the mask in object. In this case, if max.buffer is not specified then it is set either to the width of the existing plot (add = TRUE) or to 10 x sigma-hat from the fitted model in object (add = FALSE).

Value

see esa.plot

esaplotsecr

Description

Usage

Arguments

Details

Value

See Also

secr

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