r2_xu: Xu' R2 (Omega-squared)

View source: R/r2_xu.R

r2_xuR Documentation

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. \Sexpr[results=rd]{tools:::Rd_expr_doi("10.1002/sim.1572")}

Examples

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

performance documentation built on Nov. 2, 2023, 5:48 p.m.