runfile('D:/大数据学习/数据工程/代码/未命名7.py', wdir='D:/大数据学习/数据工程/代码') Traceback (most recent call last): File "D:\Anaconda3\lib\site-packages\pandas\core\indexes\base.py", line 3629, in get_loc return self._engine.get_loc(casted_key) File "pandas\_libs\index.pyx", line 136, in pandas._libs.index.IndexEngine.get_loc File "pandas\_libs\index.pyx", line 163, in pandas._libs.index.IndexEngine.get_loc File "pandas\_libs\hashtable_class_helper.pxi", line 5198, in pandas._libs.hashtable.PyObjectHashTable.get_item File "pandas\_libs\hashtable_class_helper.pxi", line 5206, in pandas._libs.hashtable.PyObjectHashTable.get_item KeyError: 'date' The above exception was the direct cause of the following exception: Traceback (most recent call last): File "D:\大数据学习\数据工程\代码\未命名7.py", line 819, in <module> data_train = process(data_train) File "D:\大数据学习\数据工程\代码\未命名7.py", line 31, in process data['label'] = list(map(lambda x,y:1 if (x-y).total_seconds() / (24*60*60) <= 15 else 0,data['date'], data['date_received'])) File "D:\Anaconda3\lib\site-packages\pandas\core\frame.py", line 3505, in __getitem__ indexer = self.columns.get_loc(key) File "D:\Anaconda3\lib\site-packages\pandas\core\indexes\base.py", line 3631, in get_loc raise KeyError(key) from err KeyError: 'date'这个报错是什么意思呢
时间: 2023-08-29 11:06:17 浏览: 204
使用Python编写的示例代码,生成一个数据类,类成员有整型,浮点数组,字符串数组,使用Numpy将类保存到文件,最后读取文件
这个报错是在运行一个Python文件时出现的,主要是因为代码中涉及到了一个叫做'date'的key,但是这个key在数据中不存在,所以会报出KeyError异常。具体来说,这个错误是在使用pandas库时出现的,因为在pandas中,DataFrame对象的列名就是key,而在这个代码中,使用了一个不存在的列名'date'。要解决这个问题,需要检查数据中是否有名为'date'的列,或者检查代码中是否存在拼写错误。
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