# mfbaseinfo_org[mfbaseinfo_org['prod_code']=='008345'] exc_chfsec['prod_begin_date'] = pd.to_dat ...
在使用pandas判断数据时出现错误提示: ValueError: The truth value of a Series is ambiguous. Use a.empty, a.bool , a.item , a.any or a.all . 个人理解:这是因为,你将一个值与多个值或一个列表中的值相比较 匹配,导致的问题 看提示,我们可以知道,在比较前,我们可以使用它推荐的某个方法: a.em ...
2019-09-14 11:37 0 2413 推荐指数:
# mfbaseinfo_org[mfbaseinfo_org['prod_code']=='008345'] exc_chfsec['prod_begin_date'] = pd.to_dat ...
报错: ValueError: The truth value of a Series is ambiguous. Use a.empty, a.bool(), a.item(), a.any() or a.all(). 意思是你的数组真实值不明确,出现问题代码 ...
: The truth value of a Series is ambiguous. Use a.empt ...
,统一用a.any()进行或比较,或a.all()进行与比较。 ...
啊,又遇到难题了 == 想要对两个 dataframe 做自然连接 merge,连接的key 为 “userid”,但是报错:ValueError: 'userid' is both an index level and a column label, which is ambiguous. ...
When this happened, it created the file .git/refs/heads/origin/branch-name. So, I just deleted the f ...
<?php if (!empty (get_gpc('userId'))) { $userId = get_gpc('userId'); } else { $error = "ID doesn't exist"; } 报错: Fatal error: Can't use ...
pycharm设置的问题,在菜单栏File-Setting-Tools-Python Scientific中去除勾选Show plots in tool window即可解决问题。 ...