qdredge | R Documentation |
dredge for quasi-poisson models
qdredge(
model,
family = "x.quasipoisson",
na.action = "na.fail",
rank = "QAIC",
chat = dfun(model),
...
)
model |
a fitted model object created by glm() with family=quasipoisson |
family |
family to which to update family of the model object. Default is 'x.quasipoisson' - this uses the AIC score from the Poisson version of the quasi-Poisson model, keeping the rest of the quasi-Poisson model object. |
na.action |
default is 'na.fail', for compatibility with dredge() |
rank |
Function used to rank models; default is 'QAIC' |
chat |
c-hat parameter passed to the QAIC function from package MuMIn This is the variance inflation factor, here estimated using the dispersion parameter from the quasi-poisson model. |
... |
Additional arguments to be passed to dredge() |
A dredge model selection object. See help for dredge() in package MuMIn for details.
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