<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[小平凡的记录的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/J__aries</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; J__aries]]></copyright><item><title><![CDATA[Python数据分析——教育平台的线上课程智能推荐策略（2020泰迪杯数据分析技能赛）]]></title><link>https://blog.youkuaiyun.com/J__aries/article/details/131110338</link><guid>https://blog.youkuaiyun.com/J__aries/article/details/131110338</guid><author>J__aries</author><pubDate>Thu, 08 Jun 2023 16:24:09 +0800</pubDate><description><![CDATA[近年来，随着互联网与通信技术的高速发展，学习资源的建设与共享呈现出新的发展趋势，各种网课、慕课、直播课等层出不穷，各种在线教育平台和学习 应用纷纷涌现。尤其是 2020 年春季学期，受新冠疫情影响，在教育部“停课不停学”的要求下，网络平台成为“互联网+教育”成果的重要展示阵地。因此， 如何根据教育平台的线上用户信息和学习信息，通过数据分析为教育平台和用户提供精准的课程推荐服务就成为线上教育的热点问题。]]></description><category></category></item><item><title><![CDATA[SQL——关于bjpowernode.sql的33道经典例题之18-33]]></title><link>https://blog.youkuaiyun.com/J__aries/article/details/130179087</link><guid>https://blog.youkuaiyun.com/J__aries/article/details/130179087</guid><author>J__aries</author><pubDate>Mon, 17 Apr 2023 16:42:33 +0800</pubDate><description><![CDATA[后16道SQL查询题目]]></description><category></category></item><item><title><![CDATA[SQL——关于bjpowernode.sql的33道经典例题之1-17]]></title><link>https://blog.youkuaiyun.com/J__aries/article/details/130141599</link><guid>https://blog.youkuaiyun.com/J__aries/article/details/130141599</guid><author>J__aries</author><pubDate>Sat, 15 Apr 2023 22:28:39 +0800</pubDate><description><![CDATA[前17道SQL查询例题]]></description><category></category></item><item><title><![CDATA[SQL——多表连接查询]]></title><link>https://blog.youkuaiyun.com/J__aries/article/details/130130586</link><guid>https://blog.youkuaiyun.com/J__aries/article/details/130130586</guid><author>J__aries</author><pubDate>Thu, 13 Apr 2023 22:15:15 +0800</pubDate><description><![CDATA[若一个查询同时涉及两个或两个以上的表， 则称之为连接查询（在FROM子句中体现)。参与连接的表可有多个，但连接操作在两个表之间进行，即两两连接。]]></description><category></category></item><item><title><![CDATA[Tableau——超市销售额数据分析可视化]]></title><link>https://blog.youkuaiyun.com/J__aries/article/details/129780458</link><guid>https://blog.youkuaiyun.com/J__aries/article/details/129780458</guid><author>J__aries</author><pubDate>Sun, 26 Mar 2023 21:02:48 +0800</pubDate><description><![CDATA[使用Tableau自带数据集——超市运营分析，从客户，配送，销售，利润，预测等五个维度进行分析。]]></description><category></category></item><item><title><![CDATA[R——《时间序列分析——基于R》第5章 无季节效应的非平稳序列分析 习题1]]></title><link>https://blog.youkuaiyun.com/J__aries/article/details/129261318</link><guid>https://blog.youkuaiyun.com/J__aries/article/details/129261318</guid><author>J__aries</author><pubDate>Tue, 28 Feb 2023 15:06:03 +0800</pubDate><description><![CDATA[无季节效应的非平稳序列分析]]></description><category></category></item><item><title><![CDATA[DEAP2.1——数据包络分析(DEA——CCR、BCC)]]></title><link>https://blog.youkuaiyun.com/J__aries/article/details/128747726</link><guid>https://blog.youkuaiyun.com/J__aries/article/details/128747726</guid><author>J__aries</author><pubDate>Sat, 28 Jan 2023 17:34:43 +0800</pubDate><description><![CDATA[DEAP2.1软件实现DEACCR、BCC模型，参数解释]]></description><category></category></item><item><title><![CDATA[Stata——截面、面板数据描述统计]]></title><link>https://blog.youkuaiyun.com/J__aries/article/details/128674508</link><guid>https://blog.youkuaiyun.com/J__aries/article/details/128674508</guid><author>J__aries</author><pubDate>Fri, 13 Jan 2023 16:07:22 +0800</pubDate><description><![CDATA[stata数据描述统计]]></description><category></category></item><item><title><![CDATA[R——投入产出表，直接消耗系数矩阵，完全消耗系数矩阵]]></title><link>https://blog.youkuaiyun.com/J__aries/article/details/128620865</link><guid>https://blog.youkuaiyun.com/J__aries/article/details/128620865</guid><author>J__aries</author><pubDate>Mon, 09 Jan 2023 20:42:21 +0800</pubDate><description><![CDATA[R语言——投入产出表，直接消耗系数矩阵，完全消耗系数矩阵。]]></description><category></category></item><item><title><![CDATA[Stata——固定效应模型、随机效应模型、混合效应模型（区别、实例）]]></title><link>https://blog.youkuaiyun.com/J__aries/article/details/122515726</link><guid>https://blog.youkuaiyun.com/J__aries/article/details/122515726</guid><author>J__aries</author><pubDate>Fri, 06 Jan 2023 22:58:27 +0800</pubDate><description><![CDATA[利用Stata对面板数据进行固定效应模型、随机效应模型、混合效应模型区别，分析实例]]></description><category></category></item><item><title><![CDATA[python数据可视化——plot函数、基本图像属性设置、中文显示问题解决方法、子图设置]]></title><link>https://blog.youkuaiyun.com/J__aries/article/details/117425907</link><guid>https://blog.youkuaiyun.com/J__aries/article/details/117425907</guid><author>J__aries</author><pubDate>Mon, 31 May 2021 20:15:32 +0800</pubDate><description><![CDATA[python基本图像属性设置、中文显示问题解决方法、子图设置]]></description><category></category></item></channel></rss>