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atom.xml
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<?xml version="1.0" encoding="utf-8"?>
<feed xmlns="http://www.w3.org/2005/Atom">
<title>Chant</title>
<subtitle>Take things as they are with a cavalier attitude./用漫不经心的态度过随遇而安的生活</subtitle>
<link href="/atom.xml" rel="self"/>
<link href="http://chant00.com/"/>
<updated>2017-09-21T10:42:50.000Z</updated>
<id>http://chant00.com/</id>
<author>
<name>Chant</name>
<email>[email protected]</email>
</author>
<generator uri="http://hexo.io/">Hexo</generator>
<entry>
<title>kafka和flume的对比</title>
<link href="http://chant00.com/2017/09/20/kafkaVSFlume/"/>
<id>http://chant00.com/2017/09/20/kafkaVSFlume/</id>
<published>2017-09-20T00:47:49.000Z</published>
<updated>2017-09-21T10:42:50.000Z</updated>
<summary type="html">
<p>flume和kafka对比：<br>Kafka、Flume都可以实现数据的传输，但它们的侧重点不同。<br>Kafka追求的是高吞吐量、高负载（topic下可以有多个partition）。<br>kafka是零拷贝，速度快。<br>Flume追求的是数据的多样性：数据来源的多样性、数据流向的多样性。<br>如果数据来源很单一、想要高吞吐的话可以使用Kafka。<br>如果数据来源很多、数据流向很多的话可以使用Flume。<br>也可以将Kafka和Flume结合起来使用。</p>
<hr>
</summary>
<category term="BigData" scheme="http://chant00.com/categories/BigData/"/>
<category term="flume" scheme="http://chant00.com/tags/flume/"/>
<category term="数据采集" scheme="http://chant00.com/tags/%E6%95%B0%E6%8D%AE%E9%87%87%E9%9B%86/"/>
<category term="kafka" scheme="http://chant00.com/tags/kafka/"/>
</entry>
<entry>
<title>机器学习--互信息(mutual information）的理解</title>
<link href="http://chant00.com/2017/09/19/%E4%BA%92%E4%BF%A1%E6%81%AF/"/>
<id>http://chant00.com/2017/09/19/互信息/</id>
<published>2017-09-19T00:47:49.000Z</published>
<updated>2017-09-20T13:08:10.000Z</updated>
<summary type="html">
<p>再做特征提取是时，那些特征重要，那些不重要呢？怎么确定那个自变量与因变量之间的相关性大小呢？三种方法：</p>
<ol>
<li>逻辑回归中，权重大的特征自然就是相关性大的变量。</li>
<li>person相关系数</li>
<li>互信息</li>
</ol>
<hr>
</summary>
<category term="Algorithm" scheme="http://chant00.com/categories/Algorithm/"/>
<category term="相关性" scheme="http://chant00.com/tags/%E7%9B%B8%E5%85%B3%E6%80%A7/"/>
<category term="机器学习" scheme="http://chant00.com/tags/%E6%9C%BA%E5%99%A8%E5%AD%A6%E4%B9%A0/"/>
<category term="算法" scheme="http://chant00.com/tags/%E7%AE%97%E6%B3%95/"/>
</entry>
<entry>
<title>机器学习--朴素贝叶斯分类</title>
<link href="http://chant00.com/2017/09/18/%E8%B4%9D%E5%8F%B6%E6%96%AF/"/>
<id>http://chant00.com/2017/09/18/贝叶斯/</id>
<published>2017-09-18T00:47:49.000Z</published>
<updated>2017-09-20T11:16:13.000Z</updated>
<summary type="html">
<p>很傻很天真却很很好很强大的贝叶斯定理。。。</p>
<hr>
</summary>
<category term="Algorithm" scheme="http://chant00.com/categories/Algorithm/"/>
<category term="机器学习" scheme="http://chant00.com/tags/%E6%9C%BA%E5%99%A8%E5%AD%A6%E4%B9%A0/"/>
<category term="算法" scheme="http://chant00.com/tags/%E7%AE%97%E6%B3%95/"/>
<category term="贝叶斯" scheme="http://chant00.com/tags/%E8%B4%9D%E5%8F%B6%E6%96%AF/"/>
</entry>
<entry>
<title>粗糙集理论整理</title>
<link href="http://chant00.com/2017/09/03/%E7%B2%97%E7%B3%99%E9%9B%86/"/>
<id>http://chant00.com/2017/09/03/粗糙集/</id>
<published>2017-09-03T00:47:49.000Z</published>
<updated>2017-09-16T09:21:05.000Z</updated>
<summary type="html">
<p>在自然科学、社会科学和工程技术的很多领域中，都不同程度地涉及到对不确定因素和对不完备信息的处理。从实际系统中采集到的数据常常包含着噪声，不够精确甚至不完整。采用纯数学上的假设来消除或回避这种不确定性，效果往往不理想。反之，如果正视它对这些信息进行合适地处理，常常有助于相关实际系统问题的解决。</p>
<hr>
</summary>
<category term="Algorithm" scheme="http://chant00.com/categories/Algorithm/"/>
<category term="粗糙集" scheme="http://chant00.com/categories/Algorithm/%E7%B2%97%E7%B3%99%E9%9B%86/"/>
<category term="粗糙集" scheme="http://chant00.com/tags/%E7%B2%97%E7%B3%99%E9%9B%86/"/>
<category term="模糊匹配" scheme="http://chant00.com/tags/%E6%A8%A1%E7%B3%8A%E5%8C%B9%E9%85%8D/"/>
</entry>
<entry>
<title>那些年被教科书绕晕的概率论基础</title>
<link href="http://chant00.com/2017/08/28/%E6%A6%82%E7%8E%87%E8%AE%BA%E5%9F%BA%E7%A1%80/"/>
<id>http://chant00.com/2017/08/28/概率论基础/</id>
<published>2017-08-28T00:47:49.000Z</published>
<updated>2017-09-17T14:45:30.000Z</updated>
<summary type="html">
<p>整理一下概率论的基础知识，通俗易懂的大白话，让你真正理解这些基础定义。</p>
</summary>
<category term="Algorithm" scheme="http://chant00.com/categories/Algorithm/"/>
<category term="概率论" scheme="http://chant00.com/categories/Algorithm/%E6%A6%82%E7%8E%87%E8%AE%BA/"/>
<category term="likelihood" scheme="http://chant00.com/tags/likelihood/"/>
<category term="probability" scheme="http://chant00.com/tags/probability/"/>
</entry>
<entry>
<title>盖茨推荐的一堂30分钟的经济学</title>
<link href="http://chant00.com/2017/07/29/English-economic/"/>
<id>http://chant00.com/2017/07/29/English-economic/</id>
<published>2017-07-29T00:25:49.000Z</published>
<updated>2017-07-29T02:41:18.000Z</updated>
<summary type="html">
<p>“This knowledge would help everyone as investors and citizens. Watching is a worthwhile 30 minutes investment.”</p>
<p align="right">–Bill Gates</p>
</summary>
<category term="眼界" scheme="http://chant00.com/categories/%E7%9C%BC%E7%95%8C/"/>
<category term="Economic" scheme="http://chant00.com/tags/Economic/"/>
</entry>
<entry>
<title>Spark学习笔记--超全总结</title>
<link href="http://chant00.com/2017/07/28/Spark%E5%AD%A6%E4%B9%A0%E7%AC%94%E8%AE%B0/"/>
<id>http://chant00.com/2017/07/28/Spark学习笔记/</id>
<published>2017-07-28T00:47:49.000Z</published>
<updated>2017-09-20T16:00:04.000Z</updated>
<summary type="html">
<p>Spark架构，运行原理，任务调度和资源调度分析，内存管理分析，SparkSQL，SparkSreaming与kafaka，数据倾斜的解决，调优。</p>
</summary>
<category term="Bigdata" scheme="http://chant00.com/categories/Bigdata/"/>
<category term="Spark" scheme="http://chant00.com/categories/Bigdata/Spark/"/>
<category term="Spark" scheme="http://chant00.com/tags/Spark/"/>
<category term="Spark原理及其搭建" scheme="http://chant00.com/tags/Spark%E5%8E%9F%E7%90%86%E5%8F%8A%E5%85%B6%E6%90%AD%E5%BB%BA/"/>
</entry>
<entry>
<title>Python笔记（五）-- 高级特性</title>
<link href="http://chant00.com/2017/06/27/pyhthonNote5/"/>
<id>http://chant00.com/2017/06/27/pyhthonNote5/</id>
<published>2017-06-27T00:25:49.000Z</published>
<updated>2017-09-06T13:47:48.000Z</updated>
<summary type="html">
<p>切片，全局变量，生成器</p>
</summary>
<category term="Python" scheme="http://chant00.com/categories/Python/"/>
<category term="Python" scheme="http://chant00.com/tags/Python/"/>
</entry>
<entry>
<title>Python笔记（四）-- 函数</title>
<link href="http://chant00.com/2017/06/26/Python%E7%AC%94%E8%AE%B04%E5%87%BD%E6%95%B0/"/>
<id>http://chant00.com/2017/06/26/Python笔记4函数/</id>
<published>2017-06-26T00:25:49.000Z</published>
<updated>2017-06-27T09:53:51.000Z</updated>
<summary type="html">
<p>函数中的各种参数，lambda表达式，递归函数，汉诺塔示例。</p>
</summary>
<category term="Python" scheme="http://chant00.com/categories/Python/"/>
<category term="Python" scheme="http://chant00.com/tags/Python/"/>
</entry>
<entry>
<title>Python笔记（三）-- Important Warning</title>
<link href="http://chant00.com/2017/06/25/Python%E7%AC%94%E8%AE%B03warning/"/>
<id>http://chant00.com/2017/06/25/Python笔记3warning/</id>
<published>2017-06-24T23:25:49.000Z</published>
<updated>2017-06-27T10:17:00.000Z</updated>
<summary type="html">
<p>本篇整理下python中容易出错的那些坑。<br>在学习Python的过程中，发现其很多与java不同的地方，很多人并没有仔细研读过python，只是大概地看下相关的语法就开始上手写代码去了，最容易被忽视的就是简单的for，if等控制语句，实际上python的控制语句与java等高级语言是不同的，所谓失之毫厘差之千里，请看下面的例子。</p>
</summary>
<category term="Python" scheme="http://chant00.com/categories/Python/"/>
<category term="Python" scheme="http://chant00.com/tags/Python/"/>
</entry>
<entry>
<title>Python笔记（二）-- 容器</title>
<link href="http://chant00.com/2017/06/22/python%E7%AC%94%E8%AE%B02/"/>
<id>http://chant00.com/2017/06/22/python笔记2/</id>
<published>2017-06-22T02:25:49.000Z</published>
<updated>2017-06-29T02:49:21.000Z</updated>
<summary type="html">
<h3 id="List-和-Tuple"><a href="#List-和-Tuple" class="headerlink" title="List 和 Tuple"></a>List 和 Tuple</h3><p>list 和 tuple均为有序表，即可用索引访问，但是list可变，tuple不可变。</p>
</summary>
<category term="Python" scheme="http://chant00.com/categories/Python/"/>
<category term="Python" scheme="http://chant00.com/tags/Python/"/>
</entry>
<entry>
<title>Python笔记（一）--数据类型</title>
<link href="http://chant00.com/2017/06/22/python%E7%AC%94%E8%AE%B01/"/>
<id>http://chant00.com/2017/06/22/python笔记1/</id>
<published>2017-06-22T02:24:49.000Z</published>
<updated>2017-09-14T08:11:11.000Z</updated>
<summary type="html">
<p>有的人用“Python还用学么？”来形容Python，看来Python实在是一门简单易学的语言，特别是在你已经掌握一门高级语言之后。但是千万不能因此就真的“不学”，完整的理论知识是你之后“敲键盘如有神”的基本条件。这里罗列一些我没见过的小知识点和它与java等语言的不同之处。仅作为个人笔记，不供参考。</p>
</summary>
<category term="Python" scheme="http://chant00.com/categories/Python/"/>
<category term="Python" scheme="http://chant00.com/tags/Python/"/>
</entry>
<entry>
<title>挣脱你的轨道--一则公益小短片《cogs》</title>
<link href="http://chant00.com/2017/06/11/English-cogs/"/>
<id>http://chant00.com/2017/06/11/English-cogs/</id>
<published>2017-06-10T19:51:49.000Z</published>
<updated>2017-09-06T14:36:00.000Z</updated>
<summary type="html">
With over a thousand shares on Facebook within a few hours of its launch, a new animated film for AIME appears to have already struck a chord.
</summary>
<category term="English Learning" scheme="http://chant00.com/categories/English-Learning/"/>
<category term="English" scheme="http://chant00.com/tags/English/"/>
<category term="cogs" scheme="http://chant00.com/tags/cogs/"/>
<category term="animated short film" scheme="http://chant00.com/tags/animated-short-film/"/>
</entry>
<entry>
<title>那些你常用但是却不知道如何用英文表达的句子</title>
<link href="http://chant00.com/2017/06/06/English-%E5%B8%B8%E7%94%A8%E5%8F%A5/"/>
<id>http://chant00.com/2017/06/06/English-常用句/</id>
<published>2017-06-06T12:51:49.000Z</published>
<updated>2017-09-06T14:35:54.000Z</updated>
<summary type="html">
<p>掌握另外一种语言（外语），真正的难点在于掌握它与已习得语言（母语）的不重合之处。直观的一一对应，其实没什么难度：“那是一本书”对应着“That’s a book”。而那些你常用到的句子或短语，翻译成英文，却一听就知道是中式英文。<em>“若果我没记错的话…”</em> 用英语怎么说？是 <em>If I didn’t remembered wrong…</em>吗？是英语里就没有这样的表达，还是我们不知道它的地道表达方式呢？</p>
</summary>
<category term="English Learning" scheme="http://chant00.com/categories/English-Learning/"/>
<category term="English" scheme="http://chant00.com/tags/English/"/>
<category term="英语学习" scheme="http://chant00.com/tags/%E8%8B%B1%E8%AF%AD%E5%AD%A6%E4%B9%A0/"/>
</entry>
<entry>
<title>Aaron Ralston’s Story</title>
<link href="http://chant00.com/2017/06/05/English-Aron's%20story/"/>
<id>http://chant00.com/2017/06/05/English-Aron's story/</id>
<published>2017-06-05T15:51:49.000Z</published>
<updated>2017-09-06T14:36:03.000Z</updated>
<summary type="html">
<p>Aaron Ralston, a 27-year-old mountain sports fanatic from Colorado in the United States, found himself in <strong>dire straits</strong> <em>alone in a canyon</em> in the desert when a 500kg rock came crashing down the <strong>canyon</strong> to <strong>smash</strong> his right hand and trap it against the canyon wall.</p>
</summary>
<category term="English Learning" scheme="http://chant00.com/categories/English-Learning/"/>
<category term="test" scheme="http://chant00.com/tags/test/"/>
<category term="English" scheme="http://chant00.com/tags/English/"/>
</entry>
<entry>
<title>Java基本数据类型转换原理以及数据溢出处理</title>
<link href="http://chant00.com/2017/03/24/java%E6%95%B0%E6%8D%AE%E7%BB%93%E6%9E%84/"/>
<id>http://chant00.com/2017/03/24/java数据结构/</id>
<published>2017-03-24T02:24:49.000Z</published>
<updated>2017-09-06T16:15:36.000Z</updated>
<summary type="html">
<p>朋友发来的一个小问题，让我又把java底层数据原理深入学习了一遍。<br>
</summary>
<category term="java" scheme="http://chant00.com/categories/java/"/>
<category term="java" scheme="http://chant00.com/tags/java/"/>
<category term="数据类型" scheme="http://chant00.com/tags/%E6%95%B0%E6%8D%AE%E7%B1%BB%E5%9E%8B/"/>
</entry>
<entry>
<title>IDEA中使用maven编译Spark源码</title>
<link href="http://chant00.com/2017/03/06/sparkSourceCompile/"/>
<id>http://chant00.com/2017/03/06/sparkSourceCompile/</id>
<published>2017-03-06T00:47:49.000Z</published>
<updated>2017-09-07T03:15:52.000Z</updated>
<summary type="html">
<p>Spark源码编译及测试。</p>
</summary>
<category term="Bigdata" scheme="http://chant00.com/categories/Bigdata/"/>
<category term="Spark" scheme="http://chant00.com/categories/Bigdata/Spark/"/>
<category term="Bigdata" scheme="http://chant00.com/tags/Bigdata/"/>
<category term="Spark" scheme="http://chant00.com/tags/Spark/"/>
</entry>
<entry>
<title>概率论迷思</title>
<link href="http://chant00.com/2016/12/07/%E6%A6%82%E7%8E%87%E8%AE%BA/"/>
<id>http://chant00.com/2016/12/07/概率论/</id>
<published>2016-12-07T12:51:49.000Z</published>
<updated>2017-09-06T14:35:57.000Z</updated>
<summary type="html">
<p>当你抛起一枚硬币，你不知道它会是正面还是反面，但你确切的知道正面与反面的概率都是50%。<br>概率论的神奇之处在于，它居然能从不确定性中找到确定性。</p>
</summary>
<category term="Algorithm" scheme="http://chant00.com/categories/Algorithm/"/>
<category term="重读概率论" scheme="http://chant00.com/categories/Algorithm/%E9%87%8D%E8%AF%BB%E6%A6%82%E7%8E%87%E8%AE%BA/"/>
<category term="概率论" scheme="http://chant00.com/tags/%E6%A6%82%E7%8E%87%E8%AE%BA/"/>
<category term="先验概率" scheme="http://chant00.com/tags/%E5%85%88%E9%AA%8C%E6%A6%82%E7%8E%87/"/>
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<entry>
<title>Hive学习笔记</title>
<link href="http://chant00.com/2016/11/28/%20Hive%E5%AD%A6%E4%B9%A0%E7%AC%94%E8%AE%B0/"/>
<id>http://chant00.com/2016/11/28/ Hive学习笔记/</id>
<published>2016-11-28T00:47:49.000Z</published>
<updated>2017-09-11T16:08:26.000Z</updated>
<summary type="html">
<p>背景架构，原理，搭建，练习及优化</p>
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<category term="Hive" scheme="http://chant00.com/categories/Bigdata/Hive/"/>
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<entry>
<title>HBase学习笔记</title>
<link href="http://chant00.com/2016/11/28/HBase%E5%AD%A6%E4%B9%A0%E7%AC%94%E8%AE%B0/"/>
<id>http://chant00.com/2016/11/28/HBase学习笔记/</id>
<published>2016-11-28T00:47:49.000Z</published>
<updated>2017-09-10T09:01:19.000Z</updated>
<summary type="html">
<p>Hbase架构，原理，搭建，练习，表设计，写表，读表的优化</p>
</summary>
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