<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[moref的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/moref</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; moref]]></copyright><item><title><![CDATA[pd.merge()函数报错：Not allowed to merge between different levels. (1 levels on the left, 2 on the right)]]></title><link>https://blog.youkuaiyun.com/moref/article/details/137880491</link><guid>https://blog.youkuaiyun.com/moref/article/details/137880491</guid><author>moref</author><pubDate>Wed, 17 Apr 2024 17:24:20 +0800</pubDate><description><![CDATA[multi_tuple = MultiIndex.from_tuples(tuples=col_tuples)  # 将元组转变成多层索引。df = pd.merge(df1，df2，how = ‘left’， on = ['a', 'b'])    #运行成功。df2.columns = df2.columns.droplevel(0)    #去掉第一层索引。报错原因：索引层级不匹配，如左表为单层（行列）索引，但右表为多层（行列）索引。col_tuples = {('第一层索引’, '第二层索引')}]]></description><category></category></item><item><title><![CDATA[【已解决】stanfordcorenlp报错：requests.exceptions.ChunkedEncodingError]]></title><link>https://blog.youkuaiyun.com/moref/article/details/137551848</link><guid>https://blog.youkuaiyun.com/moref/article/details/137551848</guid><author>moref</author><pubDate>Tue, 09 Apr 2024 14:50:01 +0800</pubDate><description><![CDATA[解决方法：降低stanfordcorenlp版本，降低到3.9.0版本。报错原因：版本太高，不稳定。]]></description><category></category></item></channel></rss>