Pandas DataFrame max() Method
Example
Return the highest value for each column:
import pandas as pd
data = [[10, 18, 11], [13, 15, 8], [9, 20, 3]]
df = pd.DataFrame(data)
print(df.max())
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Definition and Usage
The max()
method returns a Series with the
maximum value of each column.
By specifying the column axis (axis='columns'
), the
max()
method searches column-wise and returns the maximum value for each row.
Syntax
dataframe.max(axis, skipna, level, numeric_only, kwargs)
Parameters
The axis
,
skipna
, level
, numeric_only
parameters are
keyword arguments.
Parameter | Value | Description |
---|---|---|
axis | 0 |
Optional, Which axis to check, default 0. |
skip_na | True |
Optional, default True. Set to False if the result should NOT skip NULL values |
level | Number level name |
Optional, default None. Specifies which level ( in a hierarchical multi index) to check along |
numeric_only | None |
Optional. Specify whether to only check numeric values. Default None |
kwargs | Optional, keyword arguments. These arguments has no effect, but could be accepted by a NumPy function |
Return Value
A Series with the maximum values.
If the level argument is specified, this method will return a DataFrame object.
This function does NOT make changes to the original DataFrame object.