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chroma
2010 May 17
1
Query on linear mixed model
...udy shown in the data..
Just to give an introduction.. the data is about
studying efficacy of 3 products for their impact
in skin brightness over 3 time points of
investigation .. The design is such that all the
products are tried on patches made on each arm
(left and right) for each volunteer and chromaL is
measured as the response over 3 time points
Baseline (referred as T0), T1 and T2..
The answers i am looking to get from the analysis
routine is as follows:
Overall across different time points studied which
products is superior?
For Each Product is their a significant difference
in the respon...