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YiLi225/new_value.py

Created September 7, 2020 18:45
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new_value.py
## Caveat: (1) less flexible regarding assigning new values
dairy_table['Food_Category'] = dairy_table['Food_Category'].astype('category')
dairy_table['Food_Category'].iloc[2] = 'Another_Category'
In [112]: ValueError: Cannot setitem on a Categorical with a new category, set the categories first
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