在使用Pandas处理数据时,你可能会遇到“KeyError: None of [Index([‘…’])] are in the [columns]”的错误。这个错误通常是因为你尝试访问的列名在DataFrame中不存在。解决这个问题的方法有很多种,下面我将介绍几种常见的解决方法。解决方法一:检查列名是否正确首先,你需要检查你尝试访问的列名是否正确。你可以使...
AI代码解释 KeyError:"None of [Index(['title', 'url', 'postTime', 'viewCount', 'collectCount', 'diggCount', 'commentCount'], dtype='object')] are in the [columns]" 原因 这个错误的主要原因是我们尝试访问DataFrame中不存在的列。可能的原因有: 列名的拼写错误或大小写错误。 数据源的结构已经...
如果df中不存在上述列中的任何一个,我们就会收到以下错误消息: KeyError: "None of [Index(['title', 'url', 'postTime', 'viewCount', 'collectCount', 'diggCount', 'commentCount'], dtype='object')] are in the [columns]" 原因 这个错误的主要原因是我们尝试访问DataFrame中不存在的列。可能的原...
数据清洗预处理常见报错:KeyError: "None of [Index(['错误列名']...)] are in the [columns]"# 安全列名检查方案valid_columns = [col...('big_data.csv', chunksize=chunk_size): chunk['category'] = chunk['category'].astype('category')...group_col, agg_col): try: return df.groupby(...
为了解决这个问题，你应该将定义函数中的df.loc[0, col_name]行改为df.iloc[0][col_name]。此外，...
Issue Report Issue Description crypto_hist.set_index("time") raises KeyError(f"None of {missing} are in the columns") This statement is not explained on the Merge Data from BTC, LTC and ETC section from Portfolio #3, of the Financial Ana...
During handling of the above exception, another exception occurred: Traceback (most recent call last): File "/root/test/a.py", line 19, in print(df.pivot_table( values='c', index=['a'],columns=['B'], aggfunc=np.sum,margins=True)) File "/usr/local/Python-3.5.2/lib/python3.5/...
问KeyError：“[列]中没有[索引([‘URL’]，dtype='object')]”EN散列（hash）也就是哈希，是信息...
, '2018-01-01', '2019-01-01'], dtype='datetime64[ns]', freq=None)] are in the [index...
Pandas version checks I have checked that this issue has not already been reported. I have confirmed this bug exists on the latest version of pandas. I have confirmed this bug exists on the main branch of pandas. (tested on 2.0.0rc1, ass...