If I'd like to show a contrast map between two group, which is the correct form? If I set offset=1 the red area will be more larger, with more results than offset=0, the the blue (negative) will be stable. If I apply the Montecarlo Sim the results will seem to be in accord to offset=0.

Which is the true map?

Thanks,

Stefano

I'm referring to "offset" in qdec/Display threshold line, near Min/Mid/Max. For example, I'm noting that if set +1 as offset the red statistical area is more larger.

Stefano

----Messaggio originale----
Da: fischl@nmr.mgh.harvard.edu
Data: 22-mar-2013 13.48
A: <stdp82@virgilio.it>
Cc: <freesurfer@nmr.mgh.harvard.edu>
Ogg: Re: [Freesurfer] correction on question: offset in qdec GUI

Hi Stefano

I believe it's the offset of the center of the color scale. So for
example in the red/positive blue/negative one, the cross-over doesn't
have to be at 0

cheers
Bruce
On Fri, 22 Mar 2013, stdp82@virgilio.it wrote:

>  Hi list,
> I have a question, probably trivial, on OFFSET in qdec GUI. What's this? And
> what I can do using it?
>
>
>
> Stefano
>
>


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