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Generic function to return variance explained (R2) estimates from various models. In some cases these will be true R2 values, in other cases they may be pseudo-R2 values if R2 is not strictly defined for a model.
R2(object, ...)# S3 method for lm R2(object, ...)
# S3 method for lm R2(object, ...)
Depends on the method dispatch.
The raw and adjusted r-squared value.
A fitted model object.
Additional arguments passed to specific methods.
R2(lm(mpg ~ qsec * hp, data = mtcars))
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