I am currently using the unmarked package in R to estimate factors influencing occupancy and detection for the common opossum.
In some papers, i see the covariate delta β, however not in others. Whether the covariate/s positively or negatively affect occupancy or detection rates.
How/where do I obtain this value?????
Example information from occupancy model and back Transform function.
Model plotting:
Call:
occu(formula = ~Trail + Elevation ~ 1, data = wt)
Occupancy:
Estimate SE z P(>|z|)
0.337 0.326 1.03 0.302
Detection:
Estimate SE z P(>|z|)
(Intercept) -0.703033 0.23172 -3.034 0.00241
Trail -0.015393 0.00649 -2.373 0.01764
Elevation -0.000428 0.00091 -0.471 0.63776
AIC: 362.2496
backTransform function:
Backtransformed linear combination(s) of Detection estimate(s)
Estimate SE LinComb (Intercept) Trail Elevation
0.331 0.0513 -0.703 1 0 0
Transformation: logistic
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