Description Usage Arguments Value References Examples
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Inverse power hazard function, as per Borchers and Langrock (in press): Has form h(y,x)=theta[1]*[theta[2]/(sqrttheta[2]^2+x^2+y^2)]^(theta[3]+1).
1 | ip1(y, x, b)
|
y |
Forward distance |
x |
perpendicular distance |
b |
parameter vector, where |
probability of detection given that an animal is availabe at location x,y
Borchers, D.L and Langrock, R."Double-observer line transect surveys with Markov- modulated Poisson process models for animal availability" Biometrics (in press).
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