Groenen, P. J. F.; Heiser, W. J.; Meulman, J. J. - In: Journal of Classification 16 (1999) 2, pp. 225-254
Least-squares multidimensional scaling is known to have a serious problem of local minima, especially if one dimension is chosen, or if city-block distances are involved. One particular strategy, the smoothing strategy proposed by Pliner (1986, 1996), turns out to be quite successful in these...
