Displaying 2 results from an estimated 2 matches for "mu_b".
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2008 May 02
0
isotonic/ordered heterogeneity tests
dear R-help:
one of my students is struggling to test an ordered alternative
hypothesis on a set of groups (e.g., mu_a <= mu_b <= mu_c).
There has been some literature on this topic -- a lot of
this goes back to Bartholomew (1961); Gaines and Rice
(see refs below) are the ones who've popularized it in the
ecology community. The topic is closely related to isotonic regression,
but all of the isotonic-regression stuf...
2006 Oct 05
2
treatment effect at specific time point within mixedeffects model
Hi David:
In looking at your original post it is a bit difficult to ascertain
exactly what your null hypothesis was. That is, you want to assess
whether there is a treatment effect at time 3, but compared to what. I
think your second post clears this up. You should refer to pages 224-
225 of Pinhiero and Bates for your answer. This shows how to specify
contrasts.
> -----Original Message-----