DataFrame.applymap()

DataFrame.applymap(func) [source]

Apply a function to a DataFrame that is intended to operate elementwise, i.e. like doing map(func, series) for each series in the DataFrame

Parameters:

Parameters:	func : function Python function, returns a single value from a single value
Returns:	applied : DataFrame

func : function

Python function, returns a single value from a single value

Returns:

applied : DataFrame

Examples

>>> df = pd.DataFrame(np.random.randn(3, 3))
>>> df
    0         1          2
0  -0.029638  1.081563   1.280300
1   0.647747  0.831136  -1.549481
2   0.513416 -0.884417   0.195343
>>> df = df.applymap(lambda x: '%.2f' % x)
>>> df
    0         1          2
0  -0.03      1.08       1.28
1   0.65      0.83      -1.55
2   0.51     -0.88       0.20

Links:

http://pandas.pydata.org/pandas-docs/version/0.19.2/generated/pandas.DataFrame.applymap.html

doc_Pandas

2025-01-10 15:47:30

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