How Can I Modify Output Formatting for Pandas Groupby Aggregation with Scientific Notation?

Modifying Output Formatting for Pandas Groupby Aggregation with Scientific Notation

In pandas, groupby operations can produce scientific notation for large numbers, which can be undesirable.

To modify the format, utilize the display.float_format option to specify a custom string converter. For instance, to add decimals and limit the number of decimal places:

pd.set_option('display.float_format', lambda x: '%.3f' % x)

This will convert numeric values to strings with three decimal places.

Alternatively, if you prefer not to work with strings, you can apply a lambda function to each value in the Series to customize the formatting:

Series(np.random.randn(3)).apply(lambda x: '%.3f' % x)

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