Displaying 3 results from an estimated 3 matches for "checknm".
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checkng
2011 Jul 26
3
a question about glht function
...ion.
My data:data_ori,which inclue CD4, GROUP,time.
f_GROUP<-factor(data_ori$GROUP)
f_GROUP is a factor of 3 levels(0,1,2,3)
result <- lme(sqrt(CD4) ~ f_GROUP*time ,random = ~time|ID,data=data_ori)
glht(result, linfct = mcp(f_GROUP="Tukey") )
Error in `[.data.frame`(mf, nhypo[checknm]) : undefined columns selected
I can't find out the reason for Error.
Any help from you are welcome.
Many thanks!
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2010 Apr 15
0
lme posthoc comparisons in R
...87 5.52555 2e-04
D.f 4 87 22.74062 <.0001
C.f:D.f 20 87 3.77657 <.0001
#so now I will try to do posthoc comparisions (if i've done it right?)
> posthoclme <- glht(M1lme, linfct = mcp(D.f = "Tukey"))
Error in `[.data.frame`(mf, nhypo[checknm]) : undefined columns selected
#im not sure why im getting this error, can someone please offer some advice?
thanks so much
Romina
2010 Dec 02
5
Tukey Test, lme, error: less than two groups
Dear R-group,
I am trying desperately to get this Tukey test working. Its my first time
here so I hope my question is not too stupid, but I couldn't find anything
helpful in the help or in the forum.
I am analysing a dataset of treated grasses. I want to find out, if the
grasses from different Provenances react differently.
In the aov test I found a significance for the combination Treatment