How to compare two Pandas DataFrame columns in Python

Comparing two pandas.DataFrame finds the truth value of some condition for each row in the DataFrame based on only the two columns.

Solution for How to compare two Pandas DataFrame columns in Python : You can use numpy.where() to compare two DataFrame columns Use numpy.where(condition, x, y) with condition as a boolean expression comparing two columns. For each row of the two columns, the corresponding element of the resulting NumPy array is x if condition is True, and y otherwise.


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