Actually, most clusters do calculate a radius (stdev) along with the centroid. It is of the same dimensionality as the centroid vector, creating an ellipsoidal shape.
-----Original Message----- From: Ted Dunning [mailto:[email protected]] Sent: Wednesday, July 13, 2011 1:23 PM To: [email protected] Subject: Re: Emitting distance from centroid for K-Means Distance is a fine thing to emit. exp(-distance^2 / (2 * radius^2)) might be better if there is a natural definition for radius. On Wed, Jul 13, 2011 at 1:10 PM, Grant Ingersoll <[email protected]>wrote: > Does it make sense to output the distance to the cluster as the weight in > the KMeansClusterer.outputPointWithClusterInfo method instead of 1? What's > the purpose of the 1 as the weight? > > -Grant > > >
