<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[doledora的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/doledora</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; doledora]]></copyright><item><title><![CDATA[用numpy实现滚动窗口rolling计算均值,标准差等]]></title><link>https://blog.youkuaiyun.com/doledora/article/details/140899878</link><guid>https://blog.youkuaiyun.com/doledora/article/details/140899878</guid><author>doledora</author><pubDate>Sun, 04 Aug 2024 01:50:48 +0800</pubDate><description><![CDATA[以二维np数组为例,用sliding_window_view把二维数组根据方向和窗口大小拆分为三维数组,然后再最后一个维度计算数组的均值或标准差等.arr1 = sliding_window_view(arr, size, 0) # 数组,窗口大小,轴向。def np_sharp(arr, size): # 用np计算滚动窗口的sharp。]]></description><category></category></item><item><title><![CDATA[easytrader调整雪球组合报错:enName]]></title><link>https://blog.youkuaiyun.com/doledora/article/details/134737914</link><guid>https://blog.youkuaiyun.com/doledora/article/details/134737914</guid><author>doledora</author><pubDate>Fri, 01 Dec 2023 16:41:24 +0800</pubDate><description><![CDATA[用easytrader调整雪球组合仓位时报错:enName,因为adjust_weight在调整仓位前,会通过self._search_stock_info(stock_code)查询标的信息,并把查询到的信息填入position_list中,再进行调仓,其中有些信息在self._search_stock_info中查询不到,所以调仓时会报错.必要的信息只有四个,code,stock_id,segment_name,weight,其他全部都注释掉.]]></description><category></category></item></channel></rss>