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How to sort a boxplot by the median values in Pandas?
To sort a boxplot by the median values in Pandas, we can take the following steps
Steps
Set the figure size and adjust the padding between and around the subplots.
Create a Pandas dataframe of two-dimensional, size-mutable, potentially heterogeneous tabular data, with three columns.
Group the dataframe elements by marks and dob.
Find the median of the dataframe.
Get the sorted values of the median.
Create a box plot from the DataFrame columns.
To display the figure, use Show() method.
Example
import pandas as pd
import matplotlib.pyplot as plt
plt.rcParams["figure.figsize"] = [7.00, 3.50]
plt.rcParams["figure.autolayout"] = True
df = pd.DataFrame([
[23, 'James', 12],
[39, 'Jimmy', 27],
[56, 'Jack', 69],
[60, 'Tom', 96],
[80, 'Tim', 79]
], columns=['marks', 'names', 'dob'])
g = df.groupby(["marks", "dob"])
df = pd.DataFrame({col: val['dob'] for col, val in g})
median = df.median()
median.sort_values(ascending=False, inplace=True)
df = df[median.index]
df.boxplot()
plt.show()Output
It will produce the following output −
Updated on: 19-Oct-2021
1K+ Views
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