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r2_xu

Xu' R2 (Omega-squared)

Description

Calculates Xu' Omega-squared value, a simple R2 equivalent for linear mixed models.

Usage

r2_xu(model)

Arguments

model

A linear (mixed) model.

Details

r2_xu() is a crude measure for the explained variance from linear (mixed) effects models, which is originally denoted as Ω2.

Value

The R2 value.

References

Xu, R. (2003). Measuring explained variation in linear mixed effects models. Statistics in Medicine, 22(22), 3527–3541. doi: 10.1002/sim.1572

Examples

model <- lm(Sepal.Length ~ Petal.Length + Species, data = iris)
r2_xu(model)
performance

Assessment of Regression Models Performance

v0.7.1
GPL-3
Authors
Daniel Lüdecke [aut, cre] (<https://orcid.org/0000-0002-8895-3206>), Dominique Makowski [aut, ctb] (<https://orcid.org/0000-0001-5375-9967>), Mattan S. Ben-Shachar [aut, ctb] (<https://orcid.org/0000-0002-4287-4801>), Indrajeet Patil [aut, ctb] (<https://orcid.org/0000-0003-1995-6531>), Philip Waggoner [aut, ctb] (<https://orcid.org/0000-0002-7825-7573>), Vincent Arel-Bundock [ctb] (<https://orcid.org/0000-0003-2042-7063>)
Initial release

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