<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[qiuqiusjjsjs的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/qiuqiusjjsjs</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; qiuqiusjjsjs]]></copyright><item><title><![CDATA[已解决！matlab安装opencv，mexopencv.make报错]]></title><link>https://blog.youkuaiyun.com/qiuqiusjjsjs/article/details/138320621</link><guid>https://blog.youkuaiyun.com/qiuqiusjjsjs/article/details/138320621</guid><author>qiuqiusjjsjs</author><pubDate>Mon, 29 Apr 2024 17:46:11 +0800</pubDate><description><![CDATA[我前面都完成了，结果最后这里出问题了，求解！]]></description><category></category></item><item><title><![CDATA[求救！anaconda打不开]]></title><link>https://blog.youkuaiyun.com/qiuqiusjjsjs/article/details/137960787</link><guid>https://blog.youkuaiyun.com/qiuqiusjjsjs/article/details/137960787</guid><author>qiuqiusjjsjs</author><pubDate>Fri, 19 Apr 2024 12:38:38 +0800</pubDate><description><![CDATA[已经安装好几遍了，都是完全卸载再安装的。几乎教程都试过了，刚才打开 说有一个错误好像。我已经有一个ArcGIS软件了。]]></description><category></category></item><item><title><![CDATA[Y must be a vector or a character array.解决手把手版本]]></title><link>https://blog.youkuaiyun.com/qiuqiusjjsjs/article/details/137520879</link><guid>https://blog.youkuaiyun.com/qiuqiusjjsjs/article/details/137520879</guid><author>qiuqiusjjsjs</author><pubDate>Mon, 08 Apr 2024 19:27:34 +0800</pubDate><description><![CDATA[解决MATLAB中svm代码运行报错]]></description><category></category></item><item><title><![CDATA[数据预处理/规划范处理 matlab代码]]></title><link>https://blog.youkuaiyun.com/qiuqiusjjsjs/article/details/137269647</link><guid>https://blog.youkuaiyun.com/qiuqiusjjsjs/article/details/137269647</guid><author>qiuqiusjjsjs</author><pubDate>Tue, 02 Apr 2024 14:49:17 +0800</pubDate><description><![CDATA[但是 它的缺点是：如果数据集中或者某个数值很大，规范化后的各值会很接近于0，并且会相差不大。（对离群值异常敏感）比如：一类数据全是10000这么大的数字，一列数据 是1,23,3,2,5这种数据，用来做回归等会让模型不准确。通过使用把值比较大，比较多的数据，通过规范化，可以是模型更加准确，且规范化不改变数据的原来关联性或者特征。这种规范方法应用广泛，但是均值和标准差受到离群点的影响很大，因此常对此方法进行改进。通过移动属性值的小数位数，将属性变到[-1,1]之间。经过处理的数据的均值为0，标准差为1。]]></description><category></category></item><item><title><![CDATA[MATLAB查找数据中的缺失值]]></title><link>https://blog.youkuaiyun.com/qiuqiusjjsjs/article/details/136977404</link><guid>https://blog.youkuaiyun.com/qiuqiusjjsjs/article/details/136977404</guid><author>qiuqiusjjsjs</author><pubDate>Sat, 23 Mar 2024 23:04:13 +0800</pubDate><description><![CDATA[先做一个简简单单的数据缺失值查找，此处以一列为参考。]]></description><category></category></item></channel></rss>