collin.fnc.mer: Calculate Condition Number (with Intercept) of merMod Object
In jasongraf1/JGmermod: Custom Functions For Mixed-Effects Regression Models

Description Usage Arguments Details Value Author(s) See Also Examples

View source: R/collin.fnc.mer.R

Calculates the condition number (kappa) with the intercept included, following Belsley, Kuh and Welsch (1980).

1	collin.fnc.mer(x)

`x`	a object of class `lmerMod` or `glmerMod`.

An adaptation of collin.fnc from languageR for use with mixed models from the lme4 package.

A list of components

`svd`	Singular value decomposition
`cindex`	Condition indices
`cnumber`	Condition number
`pi`	The phi matrix

F. J. Tweedie, R. H. Baayen, J. Grafmiller

collin.fnc, kappa

## Not run:
data(brown_genitives)

require(lme4)
require(languageR)

genitive.glmm = glmer(Type ~ PossrAnimacyBin +
   PossrWordC + Genre + (1|Text), data = brown_genitives,
   family = binomial, control = glmerControl(optimizer = "bobyqa"))

collin.fnc.mer(genitive.glmm)$cnumber
## End(Not run)