NlpTools\Clustering\CentroidFactories\Euclidean

class Euclidean implements CentroidFactoryInterface

Computes the euclidean centroid of the provided sparse vectors

Methods

mixed

getCentroid(array $docs, array $choose = array())

Parse the provided docs and create a doc that given a metric of distance is the centroid of the provided docs.

Parse the provided docs and create a doc that given a metric of distance is the centroid of the provided docs.

The second array is to choose some of the provided docs to
compute the centroid.

array	$docs	The docs from which the centroid will be computed
array	$choose	The indexes from which the centroid will be computed (if empty all the docs will be used)

mixed

The centroid. It could be any form of data a number, a vector (it will be the same as the data provided in docs)