https://blog.youkuaiyun.com/gfsfg8545zh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/gfsfg8545/article/details/77622895https://blog.youkuaiyun.com/gfsfg8545/article/details/77622895gfsfg8545Sun, 27 Aug 2017 22:42:57 +0800https://blog.youkuaiyun.com/gfsfg8545/article/details/77133329https://blog.youkuaiyun.com/gfsfg8545/article/details/77133329gfsfg8545Mon, 21 Aug 2017 08:28:58 +0800 AD )。 一个优化问题的例子 假设现在我们在解决一个机器学习的问题，有了一些训练样本，现在需要寻找一个最优的函数，使得函数对输入X的估计Y’与实际输出Y之间的期望风险最小化。利用已知的经验数据（训练样本）来计算得到的误差，被称之为经验风险。使用对参数求经验风险来逐渐逼近理想的期望风险的最小值]]>https://blog.youkuaiyun.com/gfsfg8545/article/details/74857956https://blog.youkuaiyun.com/gfsfg8545/article/details/74857956gfsfg8545Wed, 12 Jul 2017 23:30:42 +0800https://blog.youkuaiyun.com/gfsfg8545/article/details/73699378https://blog.youkuaiyun.com/gfsfg8545/article/details/73699378gfsfg8545Sun, 25 Jun 2017 19:39:44 +0800https://blog.youkuaiyun.com/gfsfg8545/article/details/50531677https://blog.youkuaiyun.com/gfsfg8545/article/details/50531677gfsfg8545Sun, 17 Jan 2016 13:55:12 +0800https://blog.youkuaiyun.com/gfsfg8545/article/details/50488040https://blog.youkuaiyun.com/gfsfg8545/article/details/50488040gfsfg8545Sun, 10 Jan 2016 20:07:59 +0800https://blog.youkuaiyun.com/gfsfg8545/article/details/48248393https://blog.youkuaiyun.com/gfsfg8545/article/details/48248393gfsfg8545Sun, 06 Sep 2015 19:21:28 +0800 结婚／的／和／尚未／结婚／的 结婚／的／和尚／未／结婚／的 未登录词问题 有两种解释：一是已有的词表中没有收录的词，二是已有的训练语料]]>https://blog.youkuaiyun.com/gfsfg8545/article/details/48195655https://blog.youkuaiyun.com/gfsfg8545/article/details/48195655gfsfg8545Sat, 05 Sep 2015 20:53:40 +0800https://blog.youkuaiyun.com/gfsfg8545/article/details/48223135https://blog.youkuaiyun.com/gfsfg8545/article/details/48223135gfsfg8545Sat, 05 Sep 2015 17:15:17 +0800https://blog.youkuaiyun.com/gfsfg8545/article/details/48195287https://blog.youkuaiyun.com/gfsfg8545/article/details/48195287gfsfg8545Thu, 03 Sep 2015 16:11:29 +0800https://blog.youkuaiyun.com/gfsfg8545/article/details/47204707https://blog.youkuaiyun.com/gfsfg8545/article/details/47204707gfsfg8545Sun, 02 Aug 2015 09:52:32 +0800https://blog.youkuaiyun.com/gfsfg8545/article/details/26478995https://blog.youkuaiyun.com/gfsfg8545/article/details/26478995gfsfg8545Wed, 21 May 2014 17:47:22 +0800https://blog.youkuaiyun.com/gfsfg8545/article/details/26010927https://blog.youkuaiyun.com/gfsfg8545/article/details/26010927gfsfg8545Fri, 16 May 2014 23:02:36 +0800https://blog.youkuaiyun.com/gfsfg8545/article/details/25692671https://blog.youkuaiyun.com/gfsfg8545/article/details/25692671gfsfg8545Tue, 13 May 2014 11:33:12 +0800https://blog.youkuaiyun.com/gfsfg8545/article/details/23096229https://blog.youkuaiyun.com/gfsfg8545/article/details/23096229gfsfg8545Mon, 07 Apr 2014 13:36:05 +0800https://blog.youkuaiyun.com/gfsfg8545/article/details/21462709https://blog.youkuaiyun.com/gfsfg8545/article/details/21462709gfsfg8545Tue, 18 Mar 2014 17:12:04 +0800https://blog.youkuaiyun.com/gfsfg8545/article/details/20392351https://blog.youkuaiyun.com/gfsfg8545/article/details/20392351gfsfg8545Mon, 03 Mar 2014 20:02:52 +0800https://blog.youkuaiyun.com/gfsfg8545/article/details/20218489https://blog.youkuaiyun.com/gfsfg8545/article/details/20218489gfsfg8545Sat, 01 Mar 2014 15:40:16 +0800https://blog.youkuaiyun.com/gfsfg8545/article/details/19502989https://blog.youkuaiyun.com/gfsfg8545/article/details/19502989gfsfg8545Wed, 19 Feb 2014 22:30:30 +0800https://blog.youkuaiyun.com/gfsfg8545/article/details/19207729https://blog.youkuaiyun.com/gfsfg8545/article/details/19207729gfsfg8545Fri, 14 Feb 2014 18:38:09 +0800