pandas.DataFrame.mean

Return the mean of the values for the requested axis.

param axis

{index (0), columns (1)}

Axis for the function to be applied on.

param skipna

bool, default True

Exclude NA/null values when computing the result.

param level

int or level name, default None

If the axis is a MultiIndex (hierarchical), count along a particular level, collapsing into a Series.

param numeric_only

bool, default None

Include only float, int, boolean columns. If None, will attempt to use everything, then use only numeric data. Not implemented for Series. **kwargs Additional keyword arguments to be passed to the function.

return

Series or DataFrame (if level specified)

Limitations

Parameters axis, level and numeric_only are unsupported.

Examples

Return the mean of the values for the columns.

import pandas as pd
import numpy as np
from numba import njit


@njit
def dataframe_mean():
    df = pd.DataFrame({"A": [.2, .0, .6, .2],
                       "B": [2, 0, 6, 2],
                       "C": [-1, np.nan, 1, np.inf]})

    return df.mean()


print(dataframe_mean())

$ python ./dataframe/dataframe_mean.py
A    0.25
B    2.50
C     inf
dtype: float64

See also

Series.mean

Return the mean of the values for the Series.