simulateUsedAvail: Simulate Used-Aavailable Data

In ResourceSelection: Resource Selection (Probability) Functions for Use-Availability Data

Description

Simulates used-available data.

Usage

simulateUsedAvail(data, parms, n.used, m, link="logit")

Arguments

data	a matrix or data frame.
parms	coefficients corresponding to the columns of the design matrix derived as model.matrix(~., data).
n.used, m	number of used points (n.used) and number of available points for each (m).
link	character, the type of link function to be used.

Value

A used-available data frame.

Author(s)

Subhash Lele, Peter Solymos

Examples

n.used <- 1000
m <- 10
n <- n.used * m
set.seed(1234)
x <- data.frame(x1=rnorm(n), x2=runif(n))
cfs <- c(1.5,-1,0.5)
dat1 <- simulateUsedAvail(x, cfs, n.used, m, link="log")
str(dat1)
dat2 <- simulateUsedAvail(x, cfs, n.used, m, link="logit")
str(dat2)

Example output

ResourceSelection 0.3-2 	 2017-02-28
'data.frame':	11000 obs. of  3 variables:
 $ status: num  1 1 1 1 1 1 1 1 1 1 ...
 $ x1    : num  -0.477 -2.353 -0.179 -2.18 -0.861 ...
 $ x2    : num  0.0885 0.0821 0.5495 0.3842 0.7608 ...
'data.frame':	11000 obs. of  3 variables:
 $ status: num  1 1 1 1 1 1 1 1 1 1 ...
 $ x1    : num  -0.914 -1.341 0.799 0.905 0.355 ...
 $ x2    : num  0.11 0.146 0.848 0.576 0.714 ...

ResourceSelection documentation built on May 2, 2019, 6:29 p.m.