<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[hpx__的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/hpx__</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; hpx__]]></copyright><item><title><![CDATA[求助帖]]></title><link>https://blog.youkuaiyun.com/hpx__/article/details/107464272</link><guid>https://blog.youkuaiyun.com/hpx__/article/details/107464272</guid><author>hpx__</author><pubDate>Mon, 20 Jul 2020 15:17:33 +0800</pubDate><description><![CDATA[求助帖
按照导入的数据集分别计算各个店铺的订单量
buyer=pd.read_excel(‘买家资料（广州）.xlsx’)
data2=buyer[‘交易次数’].groupby(buyer[‘店铺名称’]).mean()
data2.unstack()
但是将series转换成dataframe时，报错如下：
AttributeError: ‘Index’ object has no attribute ‘remove_unused_levels’
请问是为什么，麻烦大家帮忙解答下，非常感谢

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