Python Pandas - 检查系列中的所有值是否为 NaN
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时间:2020-08-19 12:51:40 来源:igfitidea点击:
Pandas - check if ALL values are NaN in Series
提问by Boosted_d16
I have a data series which looks like this:
我有一个如下所示的数据系列:
print mys
id_L1
2 NaN
3 NaN
4 NaN
5 NaN
6 NaN
7 NaN
8 NaN
I would like to check is all the values are NaN.
我想检查所有值是否都是 NaN。
My attempt:
我的尝试:
pd.isnull(mys).all()
Output:
输出:
True
Is this the correct way to do it?
这是正确的方法吗?
采纳答案by Andrew Rosenfeld
Yes, that's correct, but I think a more idiomatic way would be:
是的,这是正确的,但我认为更惯用的方式是:
mys.isnull().all()
回答by Reeves
This will check for all columns..
这将检查所有列..
mys.isnull().values.all(axis=0)