h.exp2: Detection hazard function 'h.exp2' prob(detect | available at...

In david-borchers/LT2D: Line transect estimation in two dimensions

Description

2-paramter Exponential power hazard model of Skaug & Schweder 1999. The gamma parameter is fixed at 2.

Usage

h.exp2(y, x, b = c(0, 0))

Arguments

y	Forward distance
x	perpendicular distance
b	parameter vector, may be logged parameter values

Value

probability of detection given that an animal is availabe at location x,y

References

Skaug, Hans J., and Tore Schweder. "Hazard models for line transect surveys with independent observers." Biometrics 55.1 (1999): 29-36.

See Also

h1 h2

Examples

h.exp2(0.5,0.5,b=log(c(0.75,0.9)))

david-borchers/LT2D documentation built on Aug. 17, 2020, 1:37 a.m.