摘要：
Junzhou HuangandTong Zhang，"The Benefit of Group Sparsity", Ann. Statist.Volume 38, Number 4 (2010), 1978-2004.作者从理论上了分析了group lasso和lasso的性能情况，分析了在何种条件下group lasso可以得到更好的结果。 Group Lasso is more robust to noise due to the stability associated with group structure. Group Lasso requires a 阅读全文
posted @ 2013-10-08 22:59
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