<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[alexboy的专栏]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/alexboy</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; alexboy]]></copyright><item><title><![CDATA[g++ 编译问题]]></title><link>https://blog.youkuaiyun.com/alexboy/article/details/84084641</link><guid>https://blog.youkuaiyun.com/alexboy/article/details/84084641</guid><author>alexboy</author><pubDate>Thu, 17 Nov 2011 23:31:05 +0800</pubDate><description><![CDATA[ostream编译出错
解决办法是把 #include  放到其他头文件的前边]]></description><category></category></item><item><title><![CDATA[logisitic regression]]></title><link>https://blog.youkuaiyun.com/alexboy/article/details/84077323</link><guid>https://blog.youkuaiyun.com/alexboy/article/details/84077323</guid><author>alexboy</author><pubDate>Sun, 06 Nov 2011 16:18:51 +0800</pubDate><description><![CDATA[http://hunch.net/~vw/
https://issues.apache.org/jira/browse/MAHOUT-228

http://blog.youkuaiyun.com/dcraw/article/details/6846599

http://www.win-vector.com/blog/2010/12/large-data-logistic-regression-w...]]></description><category></category></item><item><title><![CDATA[Pattern Recognition and Machine Learning]]></title><link>https://blog.youkuaiyun.com/alexboy/article/details/84077160</link><guid>https://blog.youkuaiyun.com/alexboy/article/details/84077160</guid><author>alexboy</author><pubDate>Sat, 05 Nov 2011 23:04:43 +0800</pubDate><description><![CDATA[阅读笔记
beta分布·
[url]http://isip.buaa.edu.cn/lichen/?p=348[/url]

多值变量
[url]http://isip.buaa.edu.cn/lichen/?p=376[/url]

The Dirichlet distribution
[url]http://isip.buaa.edu.cn/lichen/?p=389[/url...]]></description><category></category></item><item><title><![CDATA[机器学习方面的一些资料]]></title><link>https://blog.youkuaiyun.com/alexboy/article/details/84060256</link><guid>https://blog.youkuaiyun.com/alexboy/article/details/84060256</guid><author>alexboy</author><pubDate>Sat, 05 Nov 2011 09:42:27 +0800</pubDate><description><![CDATA[中文blog：
http://www.jiangfeng.me/

漫谈有指导学习之判别模型
[url]http://www.jiangfeng.me/blog/174[/url]

梯度下降
[url]http://blog.youkuaiyun.com/zimohuakai/article/details/6918590[/url]
http://www.cvchina.info/2011...]]></description><category></category></item><item><title><![CDATA[转： 记KDD2009的获胜者报告]]></title><link>https://blog.youkuaiyun.com/alexboy/article/details/84057790</link><guid>https://blog.youkuaiyun.com/alexboy/article/details/84057790</guid><author>alexboy</author><pubDate>Tue, 01 Nov 2011 21:48:24 +0800</pubDate><description><![CDATA[[url]http://www.wentrue.net/blog/?p=1296[/url]]]></description><category></category></item><item><title><![CDATA[NavigableMap]]></title><link>https://blog.youkuaiyun.com/alexboy/article/details/84057789</link><guid>https://blog.youkuaiyun.com/alexboy/article/details/84057789</guid><author>alexboy</author><pubDate>Tue, 01 Nov 2011 21:37:55 +0800</pubDate><description><![CDATA[
http://stackoverflow.com/questions/3519901/get-values-for-keys-within-a-range-in-java]]></description><category></category></item><item><title><![CDATA[EM算法]]></title><link>https://blog.youkuaiyun.com/alexboy/article/details/84056328</link><guid>https://blog.youkuaiyun.com/alexboy/article/details/84056328</guid><author>alexboy</author><pubDate>Sun, 30 Oct 2011 15:20:17 +0800</pubDate><description><![CDATA[[url]http://www.zhizhihu.com/html/y2011/2848.html[/url]


杂想：
1.正交
X1,X2分别不能区分Y，但是如果X1*X2在4个象限内可以区分Y

2.概率和概率密度
就像是质量和密度的关系，现实生活中，大部分都是均概率密度，因为这样其实不存在随机的问题。比如汽车轮子的造型。...]]></description><category></category></item><item><title><![CDATA[eclipse 技巧]]></title><link>https://blog.youkuaiyun.com/alexboy/article/details/84055811</link><guid>https://blog.youkuaiyun.com/alexboy/article/details/84055811</guid><author>alexboy</author><pubDate>Fri, 28 Oct 2011 19:49:24 +0800</pubDate><description><![CDATA[1.code template 更改名字
在eclipse.ini中增加：
-Duser.name=your names

2.@kde
gdb错误解决：
Basically, it is to use an older gdb protocol that supports deferred breakpoints. Using the &quot;Standard Create Process...]]></description><category></category></item><item><title><![CDATA[Hadoop Fatigue -- Alternatives to Hadoop]]></title><link>https://blog.youkuaiyun.com/alexboy/article/details/84053256</link><guid>https://blog.youkuaiyun.com/alexboy/article/details/84053256</guid><author>alexboy</author><pubDate>Tue, 25 Oct 2011 10:38:17 +0800</pubDate><description><![CDATA[[url]http://www.bytemining.com/2011/08/hadoop-fatigue-alternatives-to-hadoop/[/url]
twister http://www.iterativemapreduce.org/userguide.html
haloop http://code.google.com/p/haloop/
http://dongxiche...]]></description><category></category></item><item><title><![CDATA[eclipse 插件]]></title><link>https://blog.youkuaiyun.com/alexboy/article/details/84050505</link><guid>https://blog.youkuaiyun.com/alexboy/article/details/84050505</guid><author>alexboy</author><pubDate>Wed, 19 Oct 2011 22:36:26 +0800</pubDate><description><![CDATA[[list]
[*]插件的安装
[/list]
建议安装在dropins下面，有问题了，不用那么麻烦搞来搞去，直接重新解压eclipse的程序，覆盖好了。
ref：
[url]http://qa.taobao.com/?p=8980[/url]

http://tech.e800.com.cn/articles/2009/83/1249263423686_1.html


常用...]]></description><category></category></item><item><title><![CDATA[auc]]></title><link>https://blog.youkuaiyun.com/alexboy/article/details/84049686</link><guid>https://blog.youkuaiyun.com/alexboy/article/details/84049686</guid><author>alexboy</author><pubDate>Tue, 18 Oct 2011 20:20:23 +0800</pubDate><description><![CDATA[[list]
[*]1.最直观的，根据AUC这个名称，我们知道，计算出ROC曲线下面的面积，就是AUC的值。事实上，这也是在早期Machine Learning文献中常见的AUC计算方法。由于我们的测试样本是有限的。我们得到的AUC曲线必然是一个阶梯状的。因此，计算的AUC也就是这些阶梯 下面的面积之和。这样，我们先把score排序(假设score越大，此样本属于正类的概率越大)，然后一边扫描就...]]></description><category></category></item><item><title><![CDATA[mahout collections]]></title><link>https://blog.youkuaiyun.com/alexboy/article/details/84049685</link><guid>https://blog.youkuaiyun.com/alexboy/article/details/84049685</guid><author>alexboy</author><pubDate>Tue, 18 Oct 2011 20:16:59 +0800</pubDate><description><![CDATA[The Mahout Collections library is a set of container classes that address some limitations of the standard collections in Java. This presentation describes a number of performance problems with the st...]]></description><category></category></item><item><title><![CDATA[随机数生成]]></title><link>https://blog.youkuaiyun.com/alexboy/article/details/84049038</link><guid>https://blog.youkuaiyun.com/alexboy/article/details/84049038</guid><author>alexboy</author><pubDate>Mon, 17 Oct 2011 20:58:43 +0800</pubDate><description><![CDATA[org.uncommons 
The Uncommons Maths library provides five easy-to-use, statistically sound, high-performance pseudorandom number generators (RNGs). They are:

[url]http://maths.uncommons.org/[/url]...]]></description><category></category></item><item><title><![CDATA[google collections]]></title><link>https://blog.youkuaiyun.com/alexboy/article/details/84048458</link><guid>https://blog.youkuaiyun.com/alexboy/article/details/84048458</guid><author>alexboy</author><pubDate>Sun, 16 Oct 2011 20:52:37 +0800</pubDate><description><![CDATA[可以说 Java Collections Framework 满足了我们大多数情况下使用集合的要求，但是当遇到一些特殊的情况我们的代码会比较冗长，比较容易出错。Guava Collections 可以帮助你的代码更简短精炼，更重要是它增强了代码的可读性。看看 Guava Collections 为我们做了哪些很酷的事情。
[list]
[*]Immutable Collections: 还在使...]]></description><category></category></item><item><title><![CDATA[23设计模式]]></title><link>https://blog.youkuaiyun.com/alexboy/article/details/84048105</link><guid>https://blog.youkuaiyun.com/alexboy/article/details/84048105</guid><author>alexboy</author><pubDate>Sat, 15 Oct 2011 16:17:01 +0800</pubDate><description><![CDATA[[code=&quot;java&quot;]
package   lq.test;   
    
  import   java.io.*;   
  import   java.util.*;   
    
  //*********创建型模式***************   
    
  //factory   method   1   
  //1具体的构造算法，和2构造出的具体产品...]]></description><category></category></item><item><title><![CDATA[项目管理: Maven 让事情变得简单]]></title><link>https://blog.youkuaiyun.com/alexboy/article/details/84047899</link><guid>https://blog.youkuaiyun.com/alexboy/article/details/84047899</guid><author>alexboy</author><pubDate>Fri, 14 Oct 2011 22:40:44 +0800</pubDate><description><![CDATA[[url]http://www.ibm.com/developerworks/cn/java/j-maven/[/url]]]></description><category></category></item><item><title><![CDATA[单元测试]]></title><link>https://blog.youkuaiyun.com/alexboy/article/details/84045161</link><guid>https://blog.youkuaiyun.com/alexboy/article/details/84045161</guid><author>alexboy</author><pubDate>Mon, 10 Oct 2011 22:31:42 +0800</pubDate><description><![CDATA[[size=large]junit(mrunit)的注意点:[/size]

1.测试方法必须以 test开头命名，才会被调用。
2.临时简单的性能测试，用完了把”test“去掉
[code=&quot;java&quot;]
 public void testinvokeMethod() throws SecurityException, NoSuchMethodException 
  {
	  S...]]></description><category></category></item><item><title><![CDATA[特索泰斯特]]></title><link>https://blog.youkuaiyun.com/alexboy/article/details/6860838</link><guid>https://blog.youkuaiyun.com/alexboy/article/details/6860838</guid><author>alexboy</author><pubDate>Mon, 10 Oct 2011 22:24:40 +0800</pubDate><description><![CDATA[test]]></description><category></category></item></channel></rss>