The truth value of a series is ambiguous
It is estimated that you are using pandas when this problem occurs. If so, congratulations on finding a solution. Ha ha~
#General Purpose Example
FI_lasso[(FI_lasso["columns"]<0.001) and (FI_lasso["columns"]>=0)]
If you also encounter such a problem, Congratulations, the solution is very simple
The core meaning is to use & amp; instead of and or
for logical judgment in dataframe|
Like this
FI_lasso[(FI_lasso["columns"]<0.001) & (FI_lasso["columns"]>=0)]
Solve the problem and leave~
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