Displaying 3 results from an estimated 3 matches for "fm1oxid".
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fm1oxide
2006 Feb 08
2
lme syntax for P&B examples
...lt;- lmer(pixel ~ day + I(day^2) +Side , data = Pixel))
#Oxide
# P&B(2000) p167-170
Oxide<-read.csv("Oxide.csv",header=TRUE);
Oxide$Source<-as.factor(Oxide$Source)
Oxide$Lot<-as.factor(Oxide$Lot)
Oxide$Wafer<-as.factor(Oxide$Wafer)
Oxide$Site<-as.factor(Oxide$Site)
fm1Oxide<-lmer(Thickness~ (1|Lot)+(1|Lot:Wafer),data=Oxide) )
(fm2Oxide<-lmer(Thickness~ (1|Lot),data=Oxide) )
coef(fm1Oxide)
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2006 Mar 29
1
lmer multilevel
My question relates to problems that I'm having matching lme and lmer
examples in P&B.
using Matix 0.995
In the Oxide example in p167-170 I can't get the level 2 coefficient
estimates to match
the fm1Oxide model in lme is
data(Oxide,package="nlme")
lme(Thickness~1,Oxide)
which I translate in Lmer syntax to
fm3Oxide<-lmer(Thickness~ (1|Lot)+(1|Lot:Wafer),data=Oxide)
#or alternatively which gives the same result
Oxide$LW<-with(Oxide,Lot:Wafer)[drop=TRUE]
fm4Oxide<-lmer(Thickn...
2006 Mar 29
1
Lmer BLUPS: was(lmer multilevel)
...or the difference. So, these
need to be added in for now.
I hope this helps,
Harold
My question relates to problems that I'm having matching lme and lmer
examples in P&B.
using Matix 0.995
In the Oxide example in p167-170 I can't get the level 2 coefficient
estimates to match the fm1Oxide model in lme is
data(Oxide,package="nlme")
lme(Thickness~1,Oxide)
which I translate in Lmer syntax to
fm3Oxide<-lmer(Thickness~ (1|Lot)+(1|Lot:Wafer),data=Oxide) #or
alternatively which gives the same result
Oxide$LW<-with(Oxide,Lot:Wafer)[drop=TRUE]
fm4Oxide<-lmer(Thickn...