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The following code worked in Pandas 0.23.4 but not in Pandas 0.24.0 (I'm on Python 3.7.2). import pandas as pd class Thing: # ... Regression in DataFrame.set_index with class instance column keys ...

Pandas is a BSD-licensed open source library that provides high-performance, easy-to-use data structures and data analysis tools for Python. The R dataframe data structure has a close equivalent ...