<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[Aronup]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/Aronup</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; Aronup]]></copyright><item><title><![CDATA[机器学习开始-02逻辑回归]]></title><link>https://blog.youkuaiyun.com/Aronup/article/details/149689591</link><guid>https://blog.youkuaiyun.com/Aronup/article/details/149689591</guid><author>Aronup</author><pubDate>Sun, 10 Aug 2025 09:58:20 +0800</pubDate><description><![CDATA[逻辑回归（Logistic Regression）是一种广泛应用于分类问题的统计学习方法，尽管名字中带有"回归"，但它实际上是一种用于二分类或多分类问题的算法。逻辑回归通过使用逻辑函数（也称为 Sigmoid 函数）将线性回归的输出映射到 0 和 1 之间，从而预测某个事件发生的概率。]]></description><category></category></item><item><title><![CDATA[HDFS基础命令]]></title><link>https://blog.youkuaiyun.com/Aronup/article/details/118530941</link><guid>https://blog.youkuaiyun.com/Aronup/article/details/118530941</guid><author>Aronup</author><pubDate>Sun, 27 Jul 2025 11:17:52 +0800</pubDate><description><![CDATA[HDFS基础命令Hadoop3.0




功能
命令




查看目录
hdfs dfs -ls+路径


创建文件
hdfs dfs -touchz /目录/文件名称


上传文件
hdfs dfs -put  本地文件路径  hdfs路径


下载文件
hdfs dfs -get  hdfs文件 本地路径 默认当前目录


内部文件复制
hdfs dfs -cp /目录/文件名称  /目录


删除
hdfs dfs -rm  /目录/文件名称


删除目录
hdfs dfs -rm -r  目录

]]></description><category></category></item><item><title><![CDATA[机器学习开始01-线性回归]]></title><link>https://blog.youkuaiyun.com/Aronup/article/details/142138463</link><guid>https://blog.youkuaiyun.com/Aronup/article/details/142138463</guid><author>Aronup</author><pubDate>Sun, 27 Jul 2025 11:09:03 +0800</pubDate><description><![CDATA[简单来讲就是构建一个方程，y=ax+b，a和b需要通过已经知道的y和x的关系取求得，最后呢，会得到一个能够根据输入的x得到的y值跟已知y值差距最小的一个方程，就比如下图就是一个回归，equation就是我们的模型。求得这个equation的过程就是我们的数据建模。回归模型是一种重要的预测性建模技术，用于研究和揭示因变量（目标）与自变量（预测器）之间的关系，因变量和自变量都是连续的，回归线的性质也是线性的。机器学习是一种人工智能领域中的方法，它让计算机通过数据和算法自主学习和改进，来获取新的知识和洞见。]]></description><category></category></item><item><title><![CDATA[Matplotlib入门09-绘制多子图]]></title><link>https://blog.youkuaiyun.com/Aronup/article/details/148976728</link><guid>https://blog.youkuaiyun.com/Aronup/article/details/148976728</guid><author>Aronup</author><pubDate>Sun, 29 Jun 2025 09:34:30 +0800</pubDate><description><![CDATA[【代码】Matplotlib入门09-绘制多子图。]]></description><category></category></item><item><title><![CDATA[python小工具合集]]></title><link>https://blog.youkuaiyun.com/Aronup/article/details/147888493</link><guid>https://blog.youkuaiyun.com/Aronup/article/details/147888493</guid><author>Aronup</author><pubDate>Mon, 12 May 2025 09:11:07 +0800</pubDate><description><![CDATA[【代码】python切分excel。]]></description><category></category></item><item><title><![CDATA[dolphinscheduler实现(oracle-hdfs-doris)数据ETL]]></title><link>https://blog.youkuaiyun.com/Aronup/article/details/147426133</link><guid>https://blog.youkuaiyun.com/Aronup/article/details/147426133</guid><author>Aronup</author><pubDate>Tue, 22 Apr 2025 17:19:06 +0800</pubDate><description><![CDATA[【代码】dolphinscheduler实现(oracle-hdfs-doris)数据ETL。]]></description><category></category></item><item><title><![CDATA[Doris-BrokerLoad任务监控]]></title><link>https://blog.youkuaiyun.com/Aronup/article/details/147425870</link><guid>https://blog.youkuaiyun.com/Aronup/article/details/147425870</guid><author>Aronup</author><pubDate>Tue, 22 Apr 2025 17:01:31 +0800</pubDate><description><![CDATA[【代码】Doris-BrokerLoad任务监控。]]></description><category></category></item><item><title><![CDATA[hadoop执行sqoop任务找不到jar]]></title><link>https://blog.youkuaiyun.com/Aronup/article/details/147253792</link><guid>https://blog.youkuaiyun.com/Aronup/article/details/147253792</guid><author>Aronup</author><pubDate>Tue, 15 Apr 2025 17:01:48 +0800</pubDate><description><![CDATA[【代码】hadoop执行sqoop任务找不到任务jar包]]></description><category></category></item><item><title><![CDATA[DataSophon部署问题汇总]]></title><link>https://blog.youkuaiyun.com/Aronup/article/details/145878296</link><guid>https://blog.youkuaiyun.com/Aronup/article/details/145878296</guid><author>Aronup</author><pubDate>Wed, 26 Feb 2025 14:45:33 +0800</pubDate><description><![CDATA[DataSophon部署问题总结]]></description><category></category></item><item><title><![CDATA[cm+cdh集群配置]]></title><link>https://blog.youkuaiyun.com/Aronup/article/details/144018848</link><guid>https://blog.youkuaiyun.com/Aronup/article/details/144018848</guid><author>Aronup</author><pubDate>Fri, 14 Feb 2025 11:15:16 +0800</pubDate><description><![CDATA[08.等待（腾讯云 TencentOS Server 有没有用过的😭😭😭 卡住了草）10.安装java(就用yum安装吧 不然老是版本不适配,真是醉了)9.上传驱动到/usr/share/java 这是默认路径。3.配置新用户免密(待完善，大家自己找教程吧)版本不要超过5.x,除非你的cm版本更高。04.等待一会儿进入如下界面，继续。3台主机 版本centOS7。7.关闭selinux。]]></description><category></category></item><item><title><![CDATA[NLP学习开始]]></title><link>https://blog.youkuaiyun.com/Aronup/article/details/142467068</link><guid>https://blog.youkuaiyun.com/Aronup/article/details/142467068</guid><author>Aronup</author><pubDate>Tue, 24 Sep 2024 22:46:57 +0800</pubDate><description><![CDATA[nlp学习第一步，搭建环境啊啊啊啊啊]]></description><category></category></item><item><title><![CDATA[spark单机安装]]></title><link>https://blog.youkuaiyun.com/Aronup/article/details/142249328</link><guid>https://blog.youkuaiyun.com/Aronup/article/details/142249328</guid><author>Aronup</author><pubDate>Sat, 14 Sep 2024 13:42:55 +0800</pubDate><description><![CDATA[【代码】spark单机安装。]]></description><category></category></item><item><title><![CDATA[Lua入门-Mac环境搭建]]></title><link>https://blog.youkuaiyun.com/Aronup/article/details/139809182</link><guid>https://blog.youkuaiyun.com/Aronup/article/details/139809182</guid><author>Aronup</author><pubDate>Wed, 19 Jun 2024 22:36:47 +0800</pubDate><description><![CDATA[配置文件位置，此处目的为主要为修改luarocks库的安装位置，将其直接安装到lua的搜索库路径中去。]]></description><category></category></item><item><title><![CDATA[Pandas03-数据的修改]]></title><link>https://blog.youkuaiyun.com/Aronup/article/details/105399163</link><guid>https://blog.youkuaiyun.com/Aronup/article/details/105399163</guid><author>Aronup</author><pubDate>Tue, 04 Jun 2024 11:52:42 +0800</pubDate><description><![CDATA[【代码】Pandas03-数据的修改。]]></description><category></category></item><item><title><![CDATA[数据分析入门-数据分析的常方法和一般步骤]]></title><link>https://blog.youkuaiyun.com/Aronup/article/details/139415410</link><guid>https://blog.youkuaiyun.com/Aronup/article/details/139415410</guid><author>Aronup</author><pubDate>Tue, 04 Jun 2024 11:12:07 +0800</pubDate><description><![CDATA[通过漏斗分析，企业可以科学地评估一种业务过程，从起点到终点，各个阶段的转化情况，帮助业务找到有问题的业务环节，并进行针对性的优化。在对比分析中，选择合适的对比标准是十分关键的步骤，选择的合适，才能做出客观的评价，选择不合适，评价可能得出错误的结论。数据分析的目的是把隐藏在一大批看来杂乱无章的数据中的信息集中和提炼出来，从而找出所研究对象的内在规律。ABtest是一种做比较的手段，在同一总体下，用不同的策略作用于两个或多个同质的样本，通过分析不同策略导致的样本数据表现出的差异，来推断或者比较不同策略的效果。]]></description><category></category></item><item><title><![CDATA[shell脚本应用案例]]></title><link>https://blog.youkuaiyun.com/Aronup/article/details/129718132</link><guid>https://blog.youkuaiyun.com/Aronup/article/details/129718132</guid><author>Aronup</author><pubDate>Mon, 27 Nov 2023 16:48:13 +0800</pubDate><description><![CDATA[实际的应用处理场景，从应用的角度举例子。]]></description><category></category></item><item><title><![CDATA[入门篇3-hive常用函数]]></title><link>https://blog.youkuaiyun.com/Aronup/article/details/131768199</link><guid>https://blog.youkuaiyun.com/Aronup/article/details/131768199</guid><author>Aronup</author><pubDate>Wed, 02 Aug 2023 14:01:51 +0800</pubDate><description><![CDATA[hive常用函数]]></description><category></category></item><item><title><![CDATA[入门篇2-Hive常用文件格式、压缩方式、分割符]]></title><link>https://blog.youkuaiyun.com/Aronup/article/details/131461800</link><guid>https://blog.youkuaiyun.com/Aronup/article/details/131461800</guid><author>Aronup</author><pubDate>Sun, 02 Jul 2023 17:51:16 +0800</pubDate><description><![CDATA[压缩特性运用得当能提高性能，但运用不当也可能降低性能。CPU集型的job，少用压缩。IO密集型的job，多用压缩。]]></description><category></category></item><item><title><![CDATA[Hive手册入门篇]]></title><link>https://blog.youkuaiyun.com/Aronup/article/details/129054402</link><guid>https://blog.youkuaiyun.com/Aronup/article/details/129054402</guid><author>Aronup</author><pubDate>Thu, 16 Feb 2023 09:53:46 +0800</pubDate><description><![CDATA[hive入门]]></description><category></category></item><item><title><![CDATA[Hadoop单机 阿里云ecs服务器部署]]></title><link>https://blog.youkuaiyun.com/Aronup/article/details/118313155</link><guid>https://blog.youkuaiyun.com/Aronup/article/details/118313155</guid><author>Aronup</author><pubDate>Sat, 03 Jul 2021 15:49:44 +0800</pubDate><description><![CDATA[Hadoop 阿里云ecs服务器部署一、Jdk安装二、Hadoop安装
一、Jdk安装
1.JDK1.8安装(查看是否已安装其他jdk,需先卸载)
wget https://download.java.net/openjdk/jdk8u41/ri/openjdk-8u41-b04-linux-x64-14_jan_2020.tar.gz

2.解压
tar -zxvf openjdk-8u41-b04-linux-x64-14_jan_2020.tar.gz

3.移动jar并重名
mv java-se-8]]></description><category></category></item></channel></rss>