python - 来自不同长度字典的箱线图

Question

我有一本字典，每个键的值长度不同。尝试绘制为 boxplot，我无法继续。还有其他方法吗？

我写了这个但是它不起作用:

import matplotlib.pyplot as plt 
import matplotlib as mpl 

dict1 = {'Pb': [53.0, 56.0, 56.0, 57.0, 57.0, 57.0, 46.0], 'Pa': [56.0, 55.0], 'Pg': [57.0, 57.0, 58.0, 57.0, 57.0, 57.0, 57.0, 57.0,53.0, 57.0, 55.0, 58.0, 58.0, 58.0, 57.0, 57.0, 57.0, 57.0, 57.0, 55.0, 55.0, 57.0, 57.0, 55.0, 58.0, 58.0, 58.0, 55.0, 58.0, 54.0, 58.0, 57.0, 57.0, 58.0, 55.0, 56.0, 55.0, 55.0, 55.0, 58.0, 56.0, 57.0, 57.0, 57.0, 57.0, 56.0, 57.0, 56.0],'Pf': [54.0], 'Pn': [56.0, 56.0, 55.0, 56.0, 56.0, 56.0], 'Ps': [58.0, 56.0, 57.0, 56.0, 56.0, 55.0, 56.0, 56.0, 56.0, 55.0, 56.0, 56.0, 56.0, 58.0, 57.0, 58.0, 57.0, 57.0, 56.0, 58.0, 56.0, 53.0, 56.0, 56.0, 56.0, 56.0, 56.0, 56.0]}

      # remove from here
for k, v in dict1.iteritems():
      boxplot(k,v) 
      plt.show()

提出并测试的解决方案:只需将解释替换为下面的文本即可。它适用于 python 3.5

#And include this:
labels, data = [*zip(*dict1.items())]  # 'transpose' items to parallel key, value lists
    plt.boxplot(data)
    plt.xticks(range(1, len(labels) + 1), labels)
    plt.show()

Answer 1

你想把所有的值都放在一起吗？
[n for v in dict1.values() for n in v]“扁平化”值列表

那么箱线图就是 matplotlib 标准图 https://matplotlib.org/examples/pylab_examples/boxplot_demo.html

from matplotlib import pyplot as plt


plt.boxplot([n for v in dict1.values() for n in v])

或按键

# Python 3.5+
labels, data = [*zip(*dict1.items())]  # 'transpose' items to parallel key, value lists

# or backwards compatable    
labels, data = dict1.keys(), dict1.values()

plt.boxplot(data)
plt.xticks(range(1, len(labels) + 1), labels)
plt.show()