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Last data update: 2014.03.03

R: Creates a Detectablility object

make.detectability

R Documentation

Creates a Detectablility object

Description

The detectability of the population is described by the values in this class.

Usage

make.detectability(key.function, scale.param, shape.param = numeric(0),
  covariates = character(0), cov.param = numeric(0), truncation)

Arguments

`key.function`	specifies shape of the detection function (either half-normal "hn" or hazard rate "hr")
`scale.param`	parameter value associated with the detection function
`shape.param`	parameter value associated with the detection function
`covariates`	not yet implemented
`cov.param`	not yet implemented
`truncation`	the maximum perpendicular (or radial) distance at which objects may be detected from a line (or point) transect.

Value

object of class Detectablility

Author(s)

Laura Marshall

Examples

detect <- make.detectability(key.function = "hn", scale.param = 15,
 truncation = 30)

Results


R version 3.3.1 (2016-06-21) -- "Bug in Your Hair"
Copyright (C) 2016 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)

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Type 'license()' or 'licence()' for distribution details.

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> library(DSsim)
Loading required package: splancs
Loading required package: sp

Spatial Point Pattern Analysis Code in S-Plus
 
 Version 2 - Spatial and Space-Time analysis

Loading required package: mrds
This is mrds 2.1.14
Built: R 3.3.1; ; 2016-07-02 00:29:24 UTC; unix
Loading required package: mgcv
Loading required package: nlme
This is mgcv 1.8-12. For overview type 'help("mgcv-package")'.
Loading required package: shapefiles
Loading required package: foreign

Attaching package: 'shapefiles'

The following objects are masked from 'package:foreign':

    read.dbf, write.dbf

> png(filename="/home/ddbj/snapshot/RGM3/R_CC/result/DSsim/make.detectability.Rd_%03d_medium.png", width=480, height=480)
> ### Name: make.detectability
> ### Title: Creates a Detectablility object
> ### Aliases: make.detectability
> 
> ### ** Examples
> 
> detect <- make.detectability(key.function = "hn", scale.param = 15,
+  truncation = 30) 
> 
> 
> 
> 
> 
> dev.off()
null device 
          1 
>