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d_21
2011 Sep 15
1
Questions on 'lme' function, urgent!
...me'
function to do the analysis.
We want to compare the Likelihood ratio between models based on different
hypothesis. i.e., if I want to see, for one gene, if the expression levels
are all different between any two tissue types, that is to compare H2 to H1,
if the p value corresponding to the
D_H2H1=likelihoodRatio(H2)-likelihoodRatio(H1) in a chi-square distribution
is less than 0.05, then we will say H2 is accepted.
However, my problem is, I don't know how to specify these parameterizations
in 'lme' function based H0, H1 and H2, respectively. Can anyone help me with
that?
Than...