pandas.set_eng_float_format — pandas 2.2.3 documentation (original) (raw)

pandas.set_eng_float_format(accuracy=3, use_eng_prefix=False)[source]#

Format float representation in DataFrame with SI notation.

Parameters:

accuracyint, default 3

Number of decimal digits after the floating point.

use_eng_prefixbool, default False

Whether to represent a value with SI prefixes.

Returns:

None

Examples

df = pd.DataFrame([1e-9, 1e-3, 1, 1e3, 1e6]) df 0 0 1.000000e-09 1 1.000000e-03 2 1.000000e+00 3 1.000000e+03 4 1.000000e+06

pd.set_eng_float_format(accuracy=1) df 0 0 1.0E-09 1 1.0E-03 2 1.0E+00 3 1.0E+03 4 1.0E+06

pd.set_eng_float_format(use_eng_prefix=True) df 0 0 1.000n 1 1.000m 2 1.000 3 1.000k 4 1.000M

pd.set_eng_float_format(accuracy=1, use_eng_prefix=True) df 0 0 1.0n 1 1.0m 2 1.0 3 1.0k 4 1.0M

pd.set_option("display.float_format", None) # unset option