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schmonz
2012 Oct 03
1
Difficulties in trying to do a mixed effects model using the lmer function
...Estimate Std. Error t value
(Intercept) 6.9074 0.9424 7.329
specCED 0.3859 1.0265 0.376
specTAB 0.8585 0.9828 0.874
schemeMON 0.6572 0.9554 0.688
schemePRO -1.0344 1.1259 -0.919
Correlation of Fixed Effects:
(Intr) spcCED spcTAB schMON
specCED -0.537
specTAB -0.529 0.500
schemeMON -0.588 0.002 -0.072
schemePRO -0.565 0.064 0.063 0.510
What is this? What does it tell me?
The statistics help advised me to do a second model, like this:
> fm2<-lmer(dbh~scheme+(1|Plot),data=d,REML=FALSE)
> anova(fm1,fm2)
But why w...