In the learning algorithm based on the decision tree,the splitting rule of the decision tree is revised with a new definition of rank impurity.
在决策树学习算法中,采用新的等级不纯度定义,修改决策树的分裂规则,得到具有直观解释的排序算法,并给出了相关理论基础。
Adecision tree with a newsplitting rule,which has anintuitional explanation,is described.
基于一个修改了的决策树的分裂规则,得到了具有直观解释的排序算法,并给出了相关理论证明。
The Regular Splitting Iteration Matrices of a Groupe of M-Matrix;
一类M-矩阵正则分裂的迭代矩阵
In this paper, first we obtain a necessary and sufficient condition such that a graph compatiblesplitting is equivalent to regular splitting.
在这篇文章里,首先我们得到了一个使得图相容分裂与正则分裂等价的充要条件。
In this paper,we mainly consider the problem on the spectral radius and index assosiated eigenvalue I of iteration matrices of weak regular splittings for a Z-matrix and we also generalize the theorem obtained by Rose in 1984.
本文主要考虑一类Z-矩阵弱正则分裂的迭代矩阵的谱半径和特征值1的指数问题,推广了Rose在1984年得到的一个定理。
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