ELASTIC NET FOR COX'S PROPORTIONAL HAZARDS MODEL WITH A SOLUTION PATH ALGORITHM.

ELASTIC NET FOR COX'S PROPORTIONAL HAZARDS MODEL WITH A SOLUTION PATH ALGORITHM.
复制标题

DOI:
10.5705/ss.2010.107
复制
发表时间:
2012
期刊:
影响因子:
1.4
通讯作者:
Wu Y
Wu Y
中科院分区:
数学3区
文献类型:
--
作者:
Wu Y

文献摘要

参考文献

被引文献

相似文献

针对最小二乘回归,提出了一种有效的求解路径算法——最小角度回归(LAR)。他们表明,LAR的轻微修改导致整个LASSO溶液路径。LAR和LASSO的解路径都是分段线性的。最近将LAR扩展到广义线性模型和拟似然方法。在这项工作中,我们进一步扩展了LAR来处理Cox的比例风险模型。目的是开发一种求解Cox比例风险模型中弹性网罚的路径算法。这个目标分两步实现。首先,我们将LAR扩展到优化对数偏似然加上一个固定的小脊项。然后我们定义了一个路径修正,从而得到弹性网正则化对数部分似然的解路径。我们的解路径是精确的,由常微分方程组分段确定的。
For least squares regression, proposed an efficient solution path algorithm, the least angle regression (LAR). They showed that a slight modification of the LAR leads to the whole LASSO solution path. Both the LAR and LASSO solution paths are piecewise linear. Recently extended the LAR to generalized linear models and the quasi-likelihood method. In this work we extend the LAR further to handle Cox’s proportional hazards model. The goal is to develop a solution path algorithm for the elastic net penalty in Cox’s proportional hazards model. This goal is achieved in two steps. First we extend the LAR to optimizing the log partial likelihood plus a fixed small ridge term. Then we define a path modification, which leads to the solution path of the elastic net regularized log partial likelihood. Our solution path is exact and piecewise determined by ordinary differential equation systems.
DOI: 10.1198/jasa.2009.tm08287
发表时间: 2009-12-01
影响因子: 3.7
作者:
Yuan, Ming;Zou, Hui
通讯作者: Zou, Hui
DOI: 10.1093/biomet/asm083
发表时间: 2008-03-01
期刊: BIOMETRIKA
影响因子: 2.7
作者:
Zou, Hui
通讯作者: Zou, Hui
DOI: 10.1080/10485252.2010.490584
发表时间: 2011-01-01
影响因子: 1.2
作者:
Wu, Yichao
通讯作者: Wu, Yichao
DOI: 10.1198/016214506000000735
发表时间: 2006-12-01
影响因子: 3.7
作者:
Zou, Hui
通讯作者: Zou, Hui
DOI: 10.1214/009053604000000067
发表时间: 2004-04-01
影响因子: 4.5
作者:
Efron, B;Hastie, T;Tibshirani, R
通讯作者: Tibshirani, R