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Printing DataFrame on a single line in Pandas

schedule Aug 11, 2023
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To print a DataFrame on a single line instead of across multiple lines use the pd.set_option(~) method setting the 'expand_frame_repr' setting to False.

Example

Consider the following DataFrame:

from sklearn import datasets
import pandas as pd
import numpy as np

bunch_iris = datasets.load_iris()

# Construct a DataFrame from the Bunch Object
df = pd.DataFrame(data=np.c_[bunch_iris['data'], bunch_iris['target']],
columns=bunch_iris['feature_names'] + ['target'])
print(df.head())
sepal length (cm) sepal width (cm) petal length (cm) petal width (cm) \
0 5.1 3.5 1.4 0.2
1 4.9 3.0 1.4 0.2
2 4.7 3.2 1.3 0.2
3 4.6 3.1 1.5 0.2
4 5.0 3.6 1.4 0.2
target
0 0.0
1 0.0
2 0.0
3 0.0
4 0.0

Notice how the printed DataFrame is automatically formatted across multiple lines.

To print the DataFrame on a single line:

pd.set_option('expand_frame_repr', False)
print(df.head())
sepal length (cm) sepal width (cm) petal length (cm) petal width (cm) target
0 5.1 3.5 1.4 0.2 0.0
1 4.9 3.0 1.4 0.2 0.0
2 4.7 3.2 1.3 0.2 0.0
3 4.6 3.1 1.5 0.2 0.0
4 5.0 3.6 1.4 0.2 0.0

By setting expand_frame_repr to False we can prevent the DataFrame from being printed across multiple lines.

robocat
Published by Arthur Yanagisawa
Edited by 0 others
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