Nothing
library(buildmer)
library(testthat)
test_that('tabulate.formula',{
form <- diag(f1 ~ (vowel1+vowel2+vowel3+vowel4)*timepoint*following +
((vowel1+vowel2+vowel3+vowel4)*timepoint*following|participant) + (timepoint|word))
buildmer:::testthat.compare.df(tabulate.formula(form),'tabulate.formula1')
buildmer:::testthat.compare.df(tabulate.formula(form,group='vowel[1-4]'),'tabulate.formula2')
})
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