pandas.io.formats.style.Styler.format¶
-
Styler.
format
(formatter, subset=None)[source]¶ Format the text display value of cells.
New in version 0.18.0.
Parameters: formatter: str, callable, or dict
subset: IndexSlice
An argument to
DataFrame.loc
that restricts which elementsformatter
is applied to.Returns: self : Styler
Notes
formatter
is either ana
or a dict{column name: a}
wherea
is one of- str: this will be wrapped in:
a.format(x)
- callable: called with the value of an individual cell
The default display value for numeric values is the “general” (
g
) format withpd.options.display.precision
precision.Examples
>>> df = pd.DataFrame(np.random.randn(4, 2), columns=['a', 'b']) >>> df.style.format("{:.2%}") >>> df['c'] = ['a', 'b', 'c', 'd'] >>> df.style.format({'C': str.upper})
- str: this will be wrapped in: