如何在matplotlib中制作分组箱线图 [英] how to make a grouped boxplot graph in matplotlib
本文介绍了如何在matplotlib中制作分组箱线图的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我有A,B和C这三种算法.我已在不同的数据集上运行它们,并希望将它们的运行时绘制为Python中的分组箱线图.
I have three algorithms, A, B, and C. I've run them on different datasets and would like to graph their runtimes on each as a grouped boxplot in Python.
作为我想要的视觉示例,我画了一幅糟糕的图画,但希望它能说明问题.
As a visual example of what I want, I made a terrible drawing, but hopefully it gets the point across.
如果我在python中的数据如下所示:
If my data in python looks like this:
import numpy as np
import random
data = {}
data['dataset1'] = {}
data['dataset2'] = {}
data['dataset3'] = {}
n = 5
for k,v in data.iteritems():
upper = random.randint(0, 1000)
v['A'] = np.random.uniform(0, upper, size=n)
v['B'] = np.random.uniform(0, upper, size=n)
v['C'] = np.random.uniform(0, upper, size=n)
如何使我的情节看起来像我绘制的图片?
How can I make my plot look like the picture I drew?
推荐答案
使用独立的子图最容易做到这一点:
It's easiest to do this with independent subplots:
import matplotlib.pyplot as plt
import numpy as np
import random
data = {}
data['dataset1'] = {}
data['dataset2'] = {}
data['dataset3'] = {}
n = 500
for k,v in data.iteritems():
upper = random.randint(0, 1000)
v['A'] = np.random.uniform(0, upper, size=n)
v['B'] = np.random.uniform(0, upper, size=n)
v['C'] = np.random.uniform(0, upper, size=n)
fig, axes = plt.subplots(ncols=3, sharey=True)
fig.subplots_adjust(wspace=0)
for ax, name in zip(axes, ['dataset1', 'dataset2', 'dataset3']):
ax.boxplot([data[name][item] for item in ['A', 'B', 'C']])
ax.set(xticklabels=['A', 'B', 'C'], xlabel=name)
ax.margins(0.05) # Optional
plt.show()
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