matplotlib绘图条和折线图一起

时间:2016-08-07 01:07:46

标签: python python-2.7 pandas matplotlib

我想在一个图表中绘制条形图和线条。当我绘制条形图时,它会正确显示(g1和g10显示已完成):enter image description here

但是,如果我在剧情中添加一行:

m1_t[['abnormal','fix','normal']].plot(kind='bar')
m1_t['bad_rate'].plot(secondary_y=True)

条形图不完整如下(g1和g10被切碎): enter image description here

知道如何解决这个问题吗?

2 个答案:

答案 0 :(得分:6)

您必须使用xlim:

扩展x轴
import matplotlib.pyplot as plt
import numpy as np
import pandas as pd

width = .35 # width of a bar

m1_t = pd.DataFrame({
 'abnormal' : [90,40,30,30,30,25,25,20,15,10],
 'fix' : [60,70,65,70,70,60,50,45,45,45],
 'normal' : [140,160,170,180,190,200,210,220,230,240],
 'bad_rate' : [210,100,100,70,70,75,70,60,65,60]})

m1_t[['abnormal','fix','normal']].plot(kind='bar', width = width)
m1_t['bad_rate'].plot(secondary_y=True)

ax = plt.gca()
plt.xlim([-width, len(m1_t['normal'])-width])
ax.set_xticklabels(('G1', 'G2', 'G3', 'G4', 'G5', 'G6', 'G7', 'G8', 'G9', 'G10'))

plt.show()

enter image description here

将来的问题发布在您的数据框中。

答案 1 :(得分:2)

尝试切换绘图顺序:

ax = m1_t['bad_rate'].plot(secondary_y=True)
m1_t[['abnormal','fix','normal']].plot(kind='bar', ax=ax)

或保留原始条形图xlim

ax = m1_t[['abnormal','fix','normal']].plot(kind='bar')
m1_t['bad_rate'].plot(secondary_y=True, xlim=ax.get_xlim())