6 Dec
2007
6 Dec
'07
3:55 p.m.
On Thursday 06 December 2007, Steve Witham wrote:
From: Gareth McCaughan <gareth.mccaughan@pobox.com>
(quoting Richard Harter:)
and find the set of x's such f(x) is a minimum. All of these are valid medians; however the centroid of the set is in some sense the most central median.
The centroid needn't be a median in this sense at all in dimensions other than 1.
Richard is talking about the centroid of the set of median- like points, not the centroid of the original set.
Ooops, I see. My apologies for the misunderstanding. -- g