摘要
在众多多分类问题的解决方法中,分解策略因其简单易行而成为主要的解决方法,本文对决策有向无环图(Decision Directed Acyclic Graphs,DDAG)和有向二叉树(Directed Binary Tree,DBT)两种层次模型从结构特点、算法执行时间以及分类准确率三个方面进行分析,为模型的择优使用提供参考。
The decomposition strategy is a main and simple solution to solve the problem,and the Decision Directed Acyclic Graphs model and Directed Binary Tree model are the most popular tactics. It is difficult to accurately grasp and distinguish,because the structure and organization of two hierarchical models are similar. The multiclass classification of the models was discussed in views of structural characteristics,execution time and classification accuracy,and some suggestion was given.
作者
任进军
陈军
REN Jinjun CHEN Jun(Department of Science Teaching, Gansu University of Chinese Medicine, Dingxi 743000, Chin)
出处
《贵州大学学报（自然科学版）》
2017年第4期59-63,共5页
Journal of Guizhou University:Natural Sciences
基金
甘肃中医药大学定西校区校级项目(2017XJYB05
2017XJYB08
TD2016ZD05)
关键词
多分类
算法
层次模型
研究
muhiclass classification
algorithm
hierarchical model
study
