据说,我有以下条形图:
此外,如果我有星期几,例如3和4。 3代表星期二。如何在仅显示星期3的条形图中添加另一个自定义图例(3-星期二)?
谢谢!
此外,如果我有星期几,例如3和4。 3代表星期二。如何在仅显示星期3的条形图中添加另一个自定义图例(3-星期二)?
谢谢!
#Barplot
import matplotlib.pyplot as plt
import numpy as np
Day_names=["Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday"]
N=7
index = np.arange(N)
bar_width = 0.95
bar_height = [1,1.5,1.2,2,0.5,0.75,1]
bar_color = ['b','r','g','yellow','k', 'magenta', 'orange']
bars = plt.bar(index, bar_height, bar_width,alpha=0.5,color=bar_color)
plt.xlabel('Day')
plt.ylabel('Some Value')
plt.title('Bars')
plt.xticks(index + bar_width/2., Day_names)
plt.show()
我不完全清楚你想要实现什么,但以下可能是一种达成你目标的方式:
import matplotlib.pyplot as plt
daysofweek = {1:('Sunday','r'),
2:('Monday','g'),
3:('Tuesday','b'),
4:('Wednesday','yellow'),
5:('Thursday','k'),
6:('Friday', 'magenta'),
7:('Saturday', 'orange')}
ax1 = plt.subplot(111)
xval = [2., 4., 7.]
yval = [2.5, 3.6, 2.7]
for j in range(len(xval)):
ax1.bar(xval[j], yval[j], width=0.8, bottom=0.0, align='center', color=daysofweek[xval[j]][1], alpha=0.6, label=daysofweek[xval[j]][0])
ax1.set_xticks(xval)
ax1.set_xticklabels([daysofweek[i][0] for i in xval])
ax1.legend()
plt.show()