function scae = scaetrain(scae, x, opts)
%TODO: Transform x through scae{1} into new x. Only works for a single PAE.
% for i=1:numel(scae)
% scae{i} = paetrain(scae{i}, x, opts);
% end
scae{1} = caetrain(scae{1}, x, opts);
end