[Eeglablist] subtracting the datasets

[Olga Sysoeva]

Dear list members,

Is it possible to subtract one dataset from the other in the eeglab? For example, I have grand-avarage ERP for one condition in dataset1 and those for other condition in dataset2. I wanted to have the difference condition dataset. I know how to look at difference wave using "sum/compare erp option", but don't know how to save it as a separate dataset for the further analysis (such as ploting maps).

Best Regards,
Olga.
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Olga Sysoeva, PhD
Institute of Higher Nervous 
Activity and Neurophysiology
Russian Academy of Sciences
5a Butlerova str.
Moscow 117485
RUSSIA
tel.: (7-495)-3347011, 
fax:(7-495)-338-85-00.
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