Shi*_*hin 7 python matplotlib pandas
我有两个箱形图
a1=a[['kCH4_sync','week_days']]
a1.boxplot(by = 'week_days', meanline=True, showmeans=True, showcaps=True, showbox=True,
showfliers=False)
a2=a[['CH4_sync','week_days']]
a2.boxplot(by = 'week_days', meanline=True, showmeans=True, showcaps=True, showbox=True,
showfliers=False)
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但我想将它们放在一个图表中进行比较.你有什么建议来解决这个问题吗?谢谢!
rho*_*ody 12
要在一个 matplotlib 图上绘制多个箱线图,您可以将数据数组列表传递给箱线图,如下所示:
import numpy as np
import matplotlib.pyplot as plt
x1 = 10*np.random.random(100)
x2 = 10*np.random.exponential(0.5, 100)
x3 = 10*np.random.normal(0, 0.4, 100)
plt.boxplot ([x1, x2, x3])
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我唯一不确定的是,如果您希望每个箱线图具有不同的颜色等。通常它不会以不同的颜色绘制
使用return_type='axes'得到a1.boxplot返回一个matplotlib Axes对象.然后将那些轴传递给第二次boxplot使用调用ax=ax.这将导致两个箱图在同一轴上绘制.
a1=a[['kCH4_sync','week_days']]
ax = a1.boxplot(by='week_days', meanline=True, showmeans=True, showcaps=True,
showbox=True, showfliers=False, return_type='axes')
a2 = a[['CH4_sync','week_days']]
a2.boxplot(by='week_days', meanline=True, showmeans=True, showcaps=True,
showbox=True, showfliers=False, ax=ax)
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