Drop redundant terms from the model — dropRedundantTerms • dreamlet

Detect co-linear fixed effects and drop the last one

Usage

dropRedundantTerms(formula, data, tol = 0.001)

Arguments

formula: original formula
data: data.frame
tol: tolerance to test difference of correlation from 1 or -1

Value

a formula, possibly with terms omitted.

Examples


# Valid formula
dropRedundantTerms(~ group + extra, sleep)
#> ~group + extra
#> <environment: 0x338b86cd8>