what is lme4 formula for what is the lme4 formula for r? how to run lme4 in r can you test word type and react time together in r how to test lexicality in r what is the lme4 formula how to test lme four which lme4 formula to use to test the level of lexicality which variable is used for the r formula to check for word type and lexicality? what variable is word type how to test level for lexicality how many levels are under lexicality in r how to test lexicality formula lme4 formula to test levels under an independent variable formula to test levels under an independent variable what is the lme4 formula what is lme4 formula how to test levels under different dependent variables in r what are the two variables of r lexical what is lme4