how to check whether ALL elements in a Pandas series are equal to a specific value

问题

For a given series, e.g.

s = pd.Series([0,0,0])

I would like to check whether ALL elements in this series are equal to a specific value (we can use 0 in this example) and return TRUE if that is the case, and FALSE otherwise.

is there a handy way to do those in Pandas/numpy?

回答1:

You should use the following syntax:

s = pd.Series([0,0,0])

print(s.eq(0).all())
True

回答2:

Another way to do the same would be:

print((s==0).all())

来源：https://stackoverflow.com/questions/58359706/how-to-check-whether-all-elements-in-a-pandas-series-are-equal-to-a-specific-val