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【机器学习】随机森林 Random Forest 得到模型后,评估参数重要性
在得出random forest 模型后,评估参数重要性 importance() 示例如下 特征重要性评价标准 %IncMSE 是 increase in MSE。就是对每一个变量 比如 X1 随机赋值, 如果 X1重要的话, 预测的误差会增大,所以 误差的增加就等同于准确性的减少,所以MeanD ...
分类:其他好文   时间:2017-05-23 20:33:36    阅读次数:412
(KMP、dp)Codeforces Educational Codeforces Round 21 G-Anthem of Berland
Berland has a long and glorious history. To increase awareness about it among younger citizens, King of Berland decided to compose an anthem. Though t ...
分类:其他好文   时间:2017-05-22 00:11:28    阅读次数:320
<Flume><Source Code><Flume源码阅读笔记>
Overview source采集的日志首先会传入ChannelProcessor, 在其内首先会通过Interceptors进行过滤加工,然后通过ChannelSelector选择channel。 Source和Sink之间是异步的,sink只需要监听自己关系的Channel的变化即可。 sink ...
分类:Web程序   时间:2017-05-18 15:47:19    阅读次数:400
[Angular] Test component template
Component: Test: ...
分类:其他好文   时间:2017-05-10 00:22:56    阅读次数:148
机器学习笔记(Washington University)- Regression Specialization-week four
1. Ridge regression A way to automatically balance between bias and varaince situations and regulate overfitting when using many features. because the ...
分类:其他好文   时间:2017-05-06 00:54:37    阅读次数:169
Bioinfomatics dataset
##Genomic sequence variation ###1000 Genomes Projecthttp://www.1000genomes.org/Data collection and a catalog of human variation ###dbSNPhttp://www.ncb ...
分类:其他好文   时间:2017-04-30 20:38:52    阅读次数:206
[LeetCode] IPO 上市
Suppose LeetCode will start its IPO soon. In order to sell a good price of its shares to Venture Capital, LeetCode would like to work on some projects ...
分类:其他好文   时间:2017-04-30 10:55:38    阅读次数:192
[React] Update State in React with Ramda's Evolve
In this lesson we'll take a stateful React component and look at how we can refactor our setState calls to use an updater function and then leverage R ...
分类:其他好文   时间:2017-04-21 09:45:06    阅读次数:195
羊车门问题python模拟
羊车门问题 羊车门问题描述:有3扇关闭的门,一扇门后停着汽车,另外两扇门后是山羊,主持人知道每扇门后是什么。参赛者首先选择一扇门。在开启它之前,主持人会从另外两扇门中打开一扇门,露出门后的山羊。此时,允许参赛者更换自己的选择。请问,参赛者更换选择后,能否增加猜中汽车的机会?通过设计并编写程序验证,并 ...
分类:编程语言   时间:2017-04-20 18:13:39    阅读次数:144
redux
1.声明action常量 export const INCREASE = 'INCREASE' export const GETSUCCESS = 'GETSUCCESS' 2.初始化state数据 const initialState = { number: 1, lists: [ { text:... ...
分类:其他好文   时间:2017-04-19 00:28:06    阅读次数:145
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