发布时间：2017-04-21 15:38:05
is simply a variable that we will assign data to at a later date. It allows us to create our operations and build our computation graph, without needing the data. In TensorFlowfeed......【阅读全文】
发布时间：2017-04-21 08:44:19
error: unable to resolve reference refs/remotes/origin/master: ?????????error: Cannot lock the ref 'refs/remotes/origin/master'.解决方案：rm .git/refs/remotes/origin/mastergit fetch......【阅读全文】
发布时间：2017-04-19 18:49:48
ROC（Receiver Operating Characteristic）曲线和AUC常被用来评价一个二值分类器（binary classifier）的优劣，对两者的简单介绍见[这里](http://bubblexc.com/y2011/148/)。这篇博文简单介绍ROC和AUC的特点，以及更为深入地，讨论如何作出ROC曲线图以及计算AUC。# ROC曲线需要提前说明的是，我们这里只讨论二值分类器。.........【阅读全文】
