languageR (version 1.0)

splitplot: Simulated data set with split plot design

Description

Simulated lexical decision latencies with priming as treatment and reaction time in lexical decision as dependent variable.

Usage

data(splitplot)

source

R. H. Baayen, D. J. Davidson and D. M. Bates. Mixed-effects modeling with crossed random effects for subjects and items. Manuscript under revision for Journal of Memory and Language.

Examples

data(splitplot)
table(splitplot$list, splitplot$subjects)
library(lme4)
dat.lmer1 = lmer2(RT ~ list*priming+(1+priming|subjects)+(1+list|items),data=dat)
dat.lmer2 = lmer2(RT ~ list*priming+(1+priming|subjects)+(1|items),data=dat)
dat.lmer3 = lmer2(RT ~ list*priming+(1|subjects)+(1|items),data=dat)
dat.lmer4 = lmer2(RT ~ list*priming+(1|subjects),data=dat)
anova(dat.lmer1, dat.lmer2, dat.lmer3, dat.lmer4)
print(dat.lmer3, corr=FALSE)