<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[sinat_36023271的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/sinat_36023271</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; sinat_36023271]]></copyright><item><title><![CDATA[安装LaTeX]]></title><link>https://blog.youkuaiyun.com/sinat_36023271/article/details/128067190</link><guid>https://blog.youkuaiyun.com/sinat_36023271/article/details/128067190</guid><author>sinat_36023271</author><pubDate>Sun, 27 Nov 2022 17:42:57 +0800</pubDate><description><![CDATA[安装LaTeX]]></description><category></category></item><item><title><![CDATA[安装OpenGL]]></title><link>https://blog.youkuaiyun.com/sinat_36023271/article/details/128067045</link><guid>https://blog.youkuaiyun.com/sinat_36023271/article/details/128067045</guid><author>sinat_36023271</author><pubDate>Sun, 27 Nov 2022 17:35:02 +0800</pubDate><description><![CDATA[安装OpenGL]]></description><category></category></item><item><title><![CDATA[AttributeError: ‘list‘ object has no attribute ‘size‘问题解决]]></title><link>https://blog.youkuaiyun.com/sinat_36023271/article/details/127481271</link><guid>https://blog.youkuaiyun.com/sinat_36023271/article/details/127481271</guid><author>sinat_36023271</author><pubDate>Sun, 23 Oct 2022 21:30:01 +0800</pubDate><description><![CDATA[AttributeError: 'list' object has no attribute 'size'问题解决 转list类型为array]]></description><category></category></item><item><title><![CDATA[squeeze()和unsqueeze()的使用]]></title><link>https://blog.youkuaiyun.com/sinat_36023271/article/details/127294036</link><guid>https://blog.youkuaiyun.com/sinat_36023271/article/details/127294036</guid><author>sinat_36023271</author><pubDate>Thu, 13 Oct 2022 09:16:41 +0800</pubDate><description><![CDATA[在英文中squeeze是压缩，unsqueeze是解缩，在Python中，squeeze是降维，unsqueeze是增维。]]></description><category></category></item><item><title><![CDATA[接近分析（Proximity Analysis）之图形展示--地图]]></title><link>https://blog.youkuaiyun.com/sinat_36023271/article/details/126302261</link><guid>https://blog.youkuaiyun.com/sinat_36023271/article/details/126302261</guid><author>sinat_36023271</author><pubDate>Sun, 02 Oct 2022 00:15:00 +0800</pubDate><description><![CDATA[应对撞车事故的前期准备]]></description><category></category></item><item><title><![CDATA[fetch_20newsgroups函数介绍]]></title><link>https://blog.youkuaiyun.com/sinat_36023271/article/details/127133432</link><guid>https://blog.youkuaiyun.com/sinat_36023271/article/details/127133432</guid><author>sinat_36023271</author><pubDate>Sat, 01 Oct 2022 13:49:23 +0800</pubDate><description><![CDATA[20 newsgroups数据集包括18000多篇新闻文章，涉及到20个Topic(话题)，所以称作20 newsgroups text dataset，分为两部分：训练集和测试集。由Ken Lang收集，是用在机器学习实验国际标准数据集之一，例如比较流行于文本分类或聚类实验。]]></description><category></category></item><item><title><![CDATA[机器学习中常说的CV是什么？]]></title><link>https://blog.youkuaiyun.com/sinat_36023271/article/details/127028235</link><guid>https://blog.youkuaiyun.com/sinat_36023271/article/details/127028235</guid><author>sinat_36023271</author><pubDate>Sat, 24 Sep 2022 18:02:45 +0800</pubDate><description><![CDATA[有监督的机器学习中，第一步就是划分数据，可以使用CV方法划分数据为训练集训练模型，测试集来验证模型，]]></description><category></category></item><item><title><![CDATA[Correlation 相关性--线性相关程度的数据统计方法]]></title><link>https://blog.youkuaiyun.com/sinat_36023271/article/details/126793429</link><guid>https://blog.youkuaiyun.com/sinat_36023271/article/details/126793429</guid><author>sinat_36023271</author><pubDate>Sat, 10 Sep 2022 08:22:12 +0800</pubDate><description><![CDATA[介绍Correlation数据统计方法的作用、意义，讲解了相关系数Correlation coefficient r 、假设检验概率方法p-value以及一些案例。]]></description><category></category></item><item><title><![CDATA[Python地理数据分析常识]]></title><link>https://blog.youkuaiyun.com/sinat_36023271/article/details/126253075</link><guid>https://blog.youkuaiyun.com/sinat_36023271/article/details/126253075</guid><author>sinat_36023271</author><pubDate>Tue, 09 Aug 2022 21:49:20 +0800</pubDate><description><![CDATA[地理数据分析常用缩写]]></description><category></category></item><item><title><![CDATA[At what depth do earthquake occur?What is the significance of the depth?（地震发生在什么深度？深度的意义是什么？）]]></title><link>https://blog.youkuaiyun.com/sinat_36023271/article/details/126083801</link><guid>https://blog.youkuaiyun.com/sinat_36023271/article/details/126083801</guid><author>sinat_36023271</author><pubDate>Mon, 01 Aug 2022 09:56:21 +0800</pubDate><description><![CDATA[介绍地震发生的深度影响和意义。]]></description><category></category></item><item><title><![CDATA[AttributeError: ‘list‘ object has no attribute ‘create_png‘]]></title><link>https://blog.youkuaiyun.com/sinat_36023271/article/details/122613983</link><guid>https://blog.youkuaiyun.com/sinat_36023271/article/details/122613983</guid><author>sinat_36023271</author><pubDate>Fri, 21 Jan 2022 08:55:17 +0800</pubDate><description><![CDATA[执行代码：

from six import StringIO
from IPython.display import Image
import pydot
import pydotplus
dot_data = StringIO() 
tree.export_graphviz(credit_model, out_file = dot_data, 
            feature_names = X_train.columns,
         ...]]></description><category></category></item><item><title><![CDATA[ftp  ls: Login failed: 530 Login incorrect.]]></title><link>https://blog.youkuaiyun.com/sinat_36023271/article/details/114701408</link><guid>https://blog.youkuaiyun.com/sinat_36023271/article/details/114701408</guid><author>sinat_36023271</author><pubDate>Fri, 12 Mar 2021 17:29:26 +0800</pubDate><description><![CDATA[搭建ftp，显示

[root@localhost ~]# lftp zhangsan@192.168.63.147
Password:
lftp zhangsan@192.168.63.147:~&gt; ls  
ls: Login failed: 530 Login incorrect.

解决方案：

修改vi /etc/pam.d/vsftpd文件，在文件第三行添加一下内容（注意，一定要是第三行），

auth sufficient /lib64/security/pam_userdb.s...]]></description><category></category></item><item><title><![CDATA[py4j.protocol.Py4JError: org.apache.spark.api.python.PythonUtils... does not exist in the JVM]]></title><link>https://blog.youkuaiyun.com/sinat_36023271/article/details/85764934</link><guid>https://blog.youkuaiyun.com/sinat_36023271/article/details/85764934</guid><author>sinat_36023271</author><pubDate>Fri, 04 Jan 2019 12:52:02 +0800</pubDate><description><![CDATA[安装环境：

Win7 +anaconda4.3.21(python3.6.1)+spark2.3.2+java1.8

执行程序：


from pyspark import SparkContext
from pyspark import SparkConf
conf = SparkConf().setAppName(&quot;miniProject&quot;).setMaster(&quot;local[*]&quot;)
s...]]></description><category></category></item><item><title><![CDATA[centos7搭建http服务器__指向外部地址]]></title><link>https://blog.youkuaiyun.com/sinat_36023271/article/details/52402256</link><guid>https://blog.youkuaiyun.com/sinat_36023271/article/details/52402256</guid><author>sinat_36023271</author><pubDate>Thu, 01 Sep 2016 18:00:14 +0800</pubDate><description><![CDATA[今天准备centos7上搭建http服务器，遇到一个问题，花了两三个小时的时间才解决掉。
  使用yum安装了http服务后，编辑/etc/httpd/conf/httpd.conf ，启动http服务，打开浏览器，提示出错误信息：
Forbidden

You don't have permission to access / on this server.

Additionall]]></description><category></category></item><item><title><![CDATA[Ceph搭建过程中遇到的各种问题]]></title><link>https://blog.youkuaiyun.com/sinat_36023271/article/details/52402028</link><guid>https://blog.youkuaiyun.com/sinat_36023271/article/details/52402028</guid><author>sinat_36023271</author><pubDate>Thu, 01 Sep 2016 17:36:14 +0800</pubDate><description><![CDATA[人们在选择存储系统的时候，往往会考虑到它的存储能力、容错冗余机制、负载均衡等等。Ceph是一个非常好的分布式存储系统，可以无限制的扩展你的集群，并且它是一个块存储、对象存储和文件系统统一的分布式文件系统。所以很多公司都会选择ceph作为存储系统。
 那么我们在进行ceph快速搭建的时候往往会遇到很多问题，我这边把我所遇到的问题总结了一下，请大家多多指教！
 安装过程

#ceph-de]]></description><category></category></item><item><title><![CDATA[Ceph Client报错]]></title><link>https://blog.youkuaiyun.com/sinat_36023271/article/details/52400414</link><guid>https://blog.youkuaiyun.com/sinat_36023271/article/details/52400414</guid><author>sinat_36023271</author><pubDate>Thu, 01 Sep 2016 15:50:01 +0800</pubDate><description><![CDATA[最近一段时间在研究Ceph，今天遇到了一个问题，准备写下来跟大家共享。欢迎大家多想我提提意见！
今天Ceph客户端系统出现了一些问题把它重启了，重启之后发现连接不到Ceph集群了，报下列信息：
# ceph --debug -s 
2016-09-01 07:23:31.907282 7f31c1234700  0 librados: client.admin authentication]]></description><category></category></item></channel></rss>