spider.protocols.protocol_classify_ward module¶

class spider.protocols.protocol_classify_ward.SpiderProtClassifyWard(**kwargs)[source]¶

Bases: spider.protocols.protocol_classify_base.SpiderProtClassifyCluster

This protocol wraps SPIDER CL HC command.

Finds clusters of images/elements in factor space (or a selected subspace) by using Diday’s method of moving centers, and applies hierarchical ascendant classification (HAC) (using Ward’s method) to the resulting cluster centers.