DEV: now plot mean (+/- std) absolute error across labels as a function of the parameters of the method MAP (variance within labels and variance of the gaussian-distributed noise)
DEV: now plot mean (+/- std) absolute error across labels as a function of the parameters of the method MAP (variance within labels and variance of the gaussian-distributed noise)

Former-commit-id: b2b5394b3c96880b92f5d4cd077d250da170d26e
Former-commit-id: 41acf1323a6bee5a704d71bb15c1c41bfcb578ad
3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox,3324fr/spinalcordtoolbox