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glmmTMB Balances Speed and Flexibility Among Packages for Zero-inflated Generalized Linear Mixed Modeling

Open access
Brooks, Mollie,E., Kristensen, Kasper, Benthem, Koen,J.,van, Magnusson, Arni, Berg, Casper,W., Nielsen, Anders, Skaug, Hans,J., Mächler, Martin, Bolker, Benjamin,M.·2017·The R Journal

Abstract

Count data can be analyzed using generalized linear mixed models when observations are correlated in ways that require random effects.However, count data are often zero-inflated, containing more zeros than would be expected from the typical error distributions.We present a new package, glmmTMB, and compare it to other R packages that fit zero-inflated mixed models.The glmmTMB package fits many types of GLMMs and extensions, including models with continuously distributed responses, but here we focus on count responses.glmmTMB is faster than glmmADMB, MCMCglmm, and brms, and more flexible than INLA and mgcv for zero-inflated modeling.One unique feature of glmmTMB (among packages that fit zero-inflated mixed models) is its ability to estimate the Conway-Maxwell-Poisson distribution parameterized by the mean.Overall, its most appealing features for new users may be the combination of speed, flexibility, and its interface's similarity to lme4.

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Metadata

Authors
Brooks, M., Kristensen, K., Benthem, K., Magnusson, A., Berg, C., Nielsen, A., Skaug, H., Mächler, M., & Bolker, B.
Venue
The R Journal
Published
2017
Volume
9
Issue
2
Pages
378
ISSN
2073-4859 (ISSN-L)
OpenAlex
W2786358356
Cited by
12,915
References
3
FWCI
188.46
Type
journal article
Language
en
Open access
hybrid

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