Lasso回归结果解读和R代码实现 目的：首先，为什么要使用LASSO呢，在流行病学研究中，许多调查有很多指标，那么在建立回归模型时候，尤其是想要建立预测模型时候，总不能只依靠先验的知识吧？有没有什么方法可以帮助高效筛选变量呢？ https://www.zhihu.com/topic/26334360/top-answers

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