function list_properties = epoch_properties(EEG,eeg_chans) list_properties = []; if length(size(EEG.data)) < 3 fprintf('Not epoched.\n'); return; end measure = 1; means = mean(EEG.data(eeg_chans,:),2); % 1 Epoch's mean deviation from channel means. for u = 1:size(EEG.data,3) list_properties(u,measure) = mean(abs(squeeze(mean(EEG.data(eeg_chans,:,u),2)) - means)); end measure = measure + 1; % 2 Epoch variance list_properties(:,measure) = mean(squeeze(var(EEG.data(eeg_chans,:,:),0,2))); measure = measure + 1; % 3 Max amplitude difference for t = eeg_chans for u = 1:size(EEG.data,3) ampdiffs(t,u) = max(EEG.data(t,:,u)) - min(EEG.data(t,:,u)); end end list_properties(:,measure) = mean(ampdiffs,1); measure = measure + 1; for v = 1:size(list_properties,2) list_properties(:,v) = list_properties(:,v) - median(list_properties(:,v)); end