<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[Fungi的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/For_wamp</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; For_wamp]]></copyright><item><title><![CDATA[机器学习实战：决策树_ID3算法]]></title><link>https://blog.youkuaiyun.com/For_wamp/article/details/97617097</link><guid>https://blog.youkuaiyun.com/For_wamp/article/details/97617097</guid><author>For_wamp</author><pubDate>Sun, 28 Jul 2019 17:44:42 +0800</pubDate><description><![CDATA[都在代码里了
trees.py
from math import log

def calcShannonEnt(dataSet):
	numEntries = len(dataSet)
	labelCounts = {}
	for featVec in dataSet:
		currentLabel = featVec[-1]
		if currentLabel not in labelCoun...]]></description><category></category></item><item><title><![CDATA[机器学习实战]]></title><link>https://blog.youkuaiyun.com/For_wamp/article/details/96764605</link><guid>https://blog.youkuaiyun.com/For_wamp/article/details/96764605</guid><author>For_wamp</author><pubDate>Sun, 21 Jul 2019 21:31:00 +0800</pubDate><description><![CDATA[**key1:**shape函数是numpy.core.fromnumeric中的函数，它的功能是查看矩阵或者数组的维数。
&gt;&gt;&gt; c = array([[1,1],[1,2],[1,3],[1,4]])
&gt;&gt;&gt; c.shape
(4, 2)
&gt;&gt;&gt; c.shape[0]
4
&gt;&gt;&gt; c.shape[1]
2


...]]></description><category></category></item><item><title><![CDATA[《机器学习实战：基于Scikit-Learn和TensorFlow 》笔记]]></title><link>https://blog.youkuaiyun.com/For_wamp/article/details/95891534</link><guid>https://blog.youkuaiyun.com/For_wamp/article/details/95891534</guid><author>For_wamp</author><pubDate>Sun, 14 Jul 2019 16:03:16 +0800</pubDate><description><![CDATA[import os
import tarfile
from six.moves import urllib
import pandas as pd

#下载地址
DOWNLOAD_ROOT = "https://raw.githubusercontent.com/ageron/handson-ml/master/"
#本地存储地址（本文件夹下）
HOUSING_PATH = "datasets/h...]]></description><category></category></item><item><title><![CDATA[python爬虫的几个常用库]]></title><link>https://blog.youkuaiyun.com/For_wamp/article/details/95352770</link><guid>https://blog.youkuaiyun.com/For_wamp/article/details/95352770</guid><author>For_wamp</author><pubDate>Wed, 10 Jul 2019 17:36:36 +0800</pubDate><description><![CDATA[urllib的request模块
#urllib的请求模块
import urllib.request    
#用请求模块打开百度网站，并返回给response
response = urllib.request.urlopen('http://www.baidu.com')   
#读取response，并以utf-8的编码形式
print(response.read().decode('ut...]]></description><category></category></item><item><title><![CDATA[MongoDB --dbpath时Invalid command: Files\MongoDB\Server\3.4\data\db]]></title><link>https://blog.youkuaiyun.com/For_wamp/article/details/95198660</link><guid>https://blog.youkuaiyun.com/For_wamp/article/details/95198660</guid><author>For_wamp</author><pubDate>Tue, 09 Jul 2019 15:24:02 +0800</pubDate><description><![CDATA[斜体样式原因是Dos下路径中的文件名不能有空格，如果文件名有空格，比如Program Files，则需要给路径加双引号：
错误示范：mongod --dbpath D:\Program Files\MongoDB\Server\3.4\data\db
正确示范：mongod --dbpath “D:\Program Files\MongoDB\Server\3.4\data\db”

...]]></description><category></category></item></channel></rss>