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AICcmodavg (version 1.05)

Model selection and multimodel inference based on (Q)AIC(c)

Description

This package includes functions to create model selection tables based on Akaike's information criterion (AIC) and the second-order AIC (AICc), as well as their quasi-likelihood counterparts (QAIC, QAICc). Tables are printed with delta AIC and Akaike weights. The package also includes functions to conduct model averaging (multimodel inference) for a given parameter of interest or predicted values. Other handy functions enable the computation of relative variable importance, evidence ratios, and confidence sets for the best model. The present version works with linear models ('lm' class), generalized linear models ('glm' class), linear mixed models ('lme' class), multinomial and ordinal logistic regressions ('multinom' and 'polr' classes).

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Version

Install

install.packages('AICcmodavg')

Monthly Downloads

8,275

Version

1.05

License

GPL (>= 2 )

Maintainer

Marc J Mazerolle

Last Published

December 6th, 2009

Functions in AICcmodavg (1.05)

c_hat

Compute Estimate of Dispersion for Poisson and Binomial GLM's
cement

Heat expended following hardening of Portland cement.
pine

Strength of pine wood based on the density adjusted for resin content.
aictab

Create Model Selection Tables
modavgpred

Compute Model-averaged Predictions
confset

Computing Confidence Set for the Kullback-Leibler Best Model
evidence

Compute Evidence Ratio Between Two Models
dry.frog

Frog dehydration experiment on three different substrate types.
modavg

Compute Model-averaged Parameter Estimate (Multimodel Inference)
min.trap

Anuran larvae counts in minnow traps across pond type.
AICcmodavg-package

Model Selection and Multimodel Inference Based on (Q)AIC(c)
importance

Compute Importance Values of Variable
AICc

Computing AIC, AICc, QAIC, and QAICc
beetle

Flour beetle data.