calculates the median absolute deviation
D = nan_medAbsDev(X, DIM) [D, M] = nan_medAbsDev(X, DIM)
data
dimension along which mad should be calculated (1=columns, 2=rows)
median absolute deviations
medians (optional)
salery=[950; 1200; 1370; 1580; 1650; 1800; 6000; %nan]; nan_medAbsDev(salery);