pandas.set_eng_float_format#

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