Darren et al.,
I apologize for being slow on this, but am still having problems trying to
specify my contrasts. I've reattached the design matrix and list of column
titles. I'm starting by just trying to get the effect of group (as a T-test
and F-test). Based on my reading of Jan Glascher and Darren's contrast
specification PDF, I have tried to input the following specification into
the contrast manager (under either T or F contrast), but each time am told
that it's an invalid contrast...I can't figure out why.
Does the contrast vector below make sense? Is there some way I'm entering it
that's wrong? Should it be entered differently for a T vs F contrast?
1 -1 0 0 0 0 ones(1,14)/14 -ones(1,31)/31 ones(1,2)/2 -ones(1,2)/2
ones(1,2)/2) -ones(1,2)/2 0 0 0 0
The subject breakdown was 14 in group 1 and 31 in group 2.
thanks!
Amit
> 1 'Group_{1}'
> 2 'Group_{2}'
> 3 'Region_{1}'
> 4 'Region_{2}'
> 5 'Side_{1}'
> 6 'Side_{2}'
> 7 'Subject_{1}'
> 8 'Subject_{2}'
> 9 'Subject_{3}'
> 10 'Subject_{4}'
> 11 'Subject_{5}'
> 12 'Subject_{6}'
> 13 'Subject_{7}'
> 14 'Subject_{8}'
> 15 'Subject_{9}'
> 16 'Subject_{10}'
> 17 'Subject_{11}'
> 18 'Subject_{12}'
> 19 'Subject_{13}'
> 20 'Subject_{14}'
> 21 'Subject_{15}'
> 22 'Subject_{16}'
> 23 'Subject_{17}'
> 24 'Subject_{18}'
> 25 'Subject_{19}'
> 26 'Subject_{20}'
> 27 'Subject_{21}'
> 28 'Subject_{22}'
> 29 'Subject_{23}'
> 30 'Subject_{24}'
> 31 'Subject_{25}'
> 32 'Subject_{26}'
> 33 'Subject_{27}'
> 34 'Subject_{28}'
> 35 'Subject_{29}'
> 36 'Subject_{30}'
> 37 'Subject_{31}'
> 38 'Subject_{32}'
> 39 'Subject_{33}'
> 40 'Subject_{34}'
> 41 'Subject_{35}'
> 42 'Subject_{36}'
> 43 'Subject_{37}'
> 44 'Subject_{38}'
> 45 'Subject_{39}'
> 46 'Subject_{40}'
> 47 'Subject_{41}'
> 48 'Subject_{42}'
> 49 'Subject_{43}'
> 50 'Subject_{44}'
> 51 'Subject_{45}'
> 52 'Group*Region_{1,1}'
> 53 'Group*Region_{1,2}'
> 54 'Group*Region_{2,1}'
> 55 'Group*Region_{2,2}'
> 56 'Group*Side_{1,1}'
> 57 'Group*Side_{1,2}'
> 58 'Group*Side_{2,1}'
> 59 'Group*Side_{2,2}'
> 60 'Region*Side_{1,1}'
> 61 'Region*Side_{1,2}'
> 62 'Region*Side_{2,1}'
> 63 'Region*Side_{2,2}'
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