Dear Bill,
If the data is not in the average file to begin with, you can't add it
using contrasts. You should convert it to SPM format first (see
converting arbitrary data in the manual) and then use spm_eeg_merge to
add it to your average dataset. You should make sure that the
dimensions match.
Vladimir
On Wed, Apr 20, 2011 at 6:17 AM, Bill Budd <[log in to unmask]> wrote:
> Dear Vladimir
>
> I would like to add a new condition to an average EEG SPM8 data file. This
> is to add data created using matlab procedures outside SPM. Is there a way
> to do that without using the SPM8 method of apply contrasts to existing
> conditions?
>
>
> Cheers
> -Bill
>
>
>
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