摘要: 岭回归是带二范数惩罚的最小二乘回归。ols方法中,<img src="https://pic1.zhimg.com/716fd592b5b8cb384bd687710942dbc8_b.jpg" data-rawwidth="253" data-rawheight="50" c 阅读全文
posted @ 2017-07-29 22:54 故笙 阅读(2857) 评论(0) 推荐(0) 编辑