# mfbaseinfo_org[mfbaseinfo_org['prod_code']=='008345'] exc_chfsec['prod_begin_date'] = pd.to_dat ...
https: blog.csdn.net ztf article details 报错原因: Numpy对逻辑表达式判别不清楚,它可以返回False如果等号两边两个式子是数值相等,也可以返回True因为等号两边两个式子是逻辑相等。它觉得这是模棱两可的,因此放弃做判断,统一用a.any 进行或比较,或a.all 进行与比较。 ...
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# 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 ...
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 ...
a.any()==0语句是判断阵列中的所有元素是否都为0,当全部为0是,返回真,当有元素不为0时,返回假 a.all()==0语句是判断阵列中是否存在为0的元素,当存在0元素时,返回真,当所有元素都不为0,返回假 ...
当batch里只有一个样本时,再调用batch_norm就会报下面这个错误: ValueError:Expected more than 1 value per channel when training, got input size torch.Size([1, 512 ...
web.py运行代码时出现 Traceback (most recent call last): File "/usr/local/lib/python2.7/dist-packages/web/ ...
编译环境:RVMDK CPU :STM32F103VC 错误:.\obj\movSERVO.sct(7): error: L6235E: More than one section matches selector - cannot all be FIRST/LAST. 原因:项目中同时包含 ...