Several potential problems. It makes the statistics non-gaussian and the
abs(ces) becomes noise dependent (and so there will be a noise dependent
bias). This makes interpretation more difficult (eg, is a difference
between groups a difference in ces or a difference in noise?). The
non-gaussian
You can do it to the sig file (the p-value already assumes a two-sided
test). Why do you want to do it with the ces and cesvar files? If you
are planning to use the abs(ces) for a higher level analysis then you
need to be very careful as you can get some unintended effects
doug
On 01/07/201
Hi,
I have two related questions. I have two conditions (e.g. C1 and C2)
and I want to generate a map that shows all voxels that can differentiate
C1 from C2 *irrespective* of whether C1>C2 or C1___
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