Re: [R] p values of lmer

2013-06-20 Thread peter dalgaard
On Jun 19, 2013, at 15:02 , R. Michael Weylandt wrote: > On Wed, Jun 19, 2013 at 10:27 AM, meng wrote: >> Hi all: >> I met a question about lmer. >> >> fm1 <- lmer(Reaction ~ Days + (Days|Subject), sleepstudy) >> summary(fm1) >> >> ... >> >> Fixed effects: >>Estimate Std. Error t

Re: [R] p values of lmer

2013-06-19 Thread R. Michael Weylandt
On Wed, Jun 19, 2013 at 10:27 AM, meng wrote: > Hi all: > I met a question about lmer. > > fm1 <- lmer(Reaction ~ Days + (Days|Subject), sleepstudy) > summary(fm1) > > ... > > Fixed effects: > Estimate Std. Error t value > (Intercept) 251.405 6.825 36.84 > Days 10.467

Re: [R] p values of lmer

2013-06-19 Thread Rune Haubo
Try library(lmerTest) fm1 <- lmer(Reaction ~ Days + (Days|Subject), sleepstudy) summary(fm1) Linear mixed model fit by REML Formula: Reaction ~ Days + (Days | Subject) Data: sleepstudy AIC BIC logLik deviance REMLdev 1756 1775 -871.8 17521744 Random effects: Groups NameV

[R] p values of lmer

2013-06-19 Thread meng
Hi all: I met a question about lmer. fm1 <- lmer(Reaction ~ Days + (Days|Subject), sleepstudy) summary(fm1) ... Fixed effects: Estimate Std. Error t value (Intercept) 251.405 6.825 36.84 Days 10.467 1.5466.77 ... My question: Why p values of (Intercept) an