<tt>partR2</tt>: partitioning R<sup>2</sup> in generalized linear mixed models
نویسندگان
چکیده
The coefficient of determination R 2 quantifies the amount variance explained by regression coefficients in a linear model. It can be seen as fixed-effects complement to repeatability (intra-class correlation) for random effects and thus tool decomposition. model further partitioned into particular predictor or combination predictors using semi-partial (part) structure coefficients, but this is rarely done due lack software implementing these statistics. Here, we introduce partR2 , an package that part fixed effect based on (generalized) mixed-effect fits. iteratively removes interest from monitors change predictor. difference full gives measure uniquely set predictors. also estimates correlation between fitted values, which provide estimate total contribution overall prediction, independent other Structure converted predictor, here called ‘inclusive’ square times . Furthermore, reports beta weights (standardized coefficients). Finally, implements parametric bootstrapping quantify confidence intervals each estimate. We illustrate use with real example datasets Gaussian binomial GLMMs discuss interactions, pose specific challenge partitioning among
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ژورنال
عنوان ژورنال: PeerJ
سال: 2021
ISSN: ['2167-8359']
DOI: https://doi.org/10.7717/peerj.11414