Description Usage Format Note Source References Examples
Begging by owl nestlings
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The Owls
data set is a data frame with
599 observations on the following variables:
Nest
a factor describing individual nest locations
FoodTreatment
(factor) food treatment: Deprived
or Satiated
SexParent
(factor) sex of provisioning parent: Female
or Male
ArrivalTime
a numeric vector
SiblingNegotiation
a numeric vector
BroodSize
brood size
NegPerChick
number of negotations per chick
For convenience in testing methods, several pre-fitted models are provided:
OwlModel
is the results of fitting the model
glmmadmb(SiblingNegotiation~FoodTreatment*SexParent+
(1|Nest)+offset(log(BroodSize)),family="nbinom",
zeroInflation=TRUE,data=Owls)
OwlModel_nb1_bs
: glmmadmb(SiblingNegotiation~FoodTreatment*SexParent+BroodSize+
(1|Nest),family="nbinom1",zeroInflation=TRUE,data=Owls)
OwlModel_nb1_bs_mcmc
: glmmadmb(SiblingNegotiation~FoodTreatment*SexParent+BroodSize+
(1|Nest),family="nbinom1",zeroInflation=TRUE,MCMC=TRUE,data=Owls)
Access to data kindly provided by Alain Zuur
Roulin, A. and L. Bersier. 2007. Nestling barn owls beg more intensely in the presence of their mother than in the presence of their father. Animal Behaviour 74:1099-1106. http://www.sciencedirect.com/science/article/B6W9W-4PK8B6H-8/2/e43cfbaad4dc0bb2207adfc54a460c89; http://www.highstat.com/Book2/ZuurDataMixedModelling.zip
Zuur, A. F., E. N. Ieno, N. J. Walker, A. A. Saveliev, and G. M. Smith. 2009. Mixed Effects Models and Extensions in Ecology with R. Springer.
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