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机器学习之matplotlib实例笔记

2019年09月02日  | 移动技术网IT编程  | 我要评论

买断草莓小甜心,开讲啦李少红,死神大战植物僵尸

下面的图型是在一幅画布上建立的四个球员相关数据的极坐标图

 

 关于这个图的代码如下：

 1 #_*_coding:utf-8_*_
 2 import numpy as np
 3 import matplotlib.pyplot as plt
 4 from matplotlib.font_manager import fontproperties
 5 plt.style.use('ggplot')
 6 
 7 font=fontproperties(fname=r'c:\windows\fonts\simsun.ttc',size=12)
 8 # 本行是为了有效显示中文的字体与大小
 9 
10 ability_size=6
11 ability_label=['进攻','防守','盘带','速度','体力','射术']
12 
13 # 创建每个极坐标的位置
14 ax1=plt.subplot(221,projection='polar')
15 ax2=plt.subplot(222,projection='polar')
16 ax3=plt.subplot(223,projection='polar')
17 ax4=plt.subplot(224,projection='polar')
18 
19 player={
20     'm': np.random.randint(size=ability_size, low=60, high=99),
21     'h': np.random.randint(size=ability_size, low=60, high=99),
22     'p': np.random.randint(size=ability_size, low=60, high=99),
23     'q': np.random.randint(size=ability_size, low=60, high=99),
24 }
25 
26 theta=np.linspace(0,2*np.pi,6,endpoint=false)
27 theta=np.append(theta,theta[0])
28 
29 #下面分别画四个球员的能力极坐标图
30 player['m']=np.append(player['m'],player['m'][0])
31 ax1.plot(theta,player['m'],'r')
32 ax1.fill(theta,player['m'],'r',alpha=0.3)
33 ax1.set_xticks(theta)
34 ax1.set_xticklabels(ability_label,fontproperties=font)
35 ax1.set_title('梅西',fontproperties=font,color='r',size=20)
36 ax1.set_yticks([20,40,60,80,100])
37 
38 player['h']=np.append(player['h'],player['h'][0])
39 ax2.plot(theta,player['h'],'g')
40 ax2.fill(theta,player['h'],'g',alpha=0.3)
41 ax2.set_xticks(theta)
42 ax2.set_xticklabels(ability_label,fontproperties=font)
43 ax2.set_title('哈维',fontproperties=font,color='g',size=20)
44 ax2.set_yticks([20,40,60,80,100])
45 
46 player['p']=np.append(player['p'],player['p'][0])
47 ax3.plot(theta,player['p'],'b')
48 ax3.fill(theta,player['p'],'b',alpha=0.3)
49 ax3.set_xticks(theta)
50 ax3.set_xticklabels(ability_label,fontproperties=font)
51 ax3.set_title('皮克',fontproperties=font,color='b',size=20)
52 ax3.set_yticks([20,40,60,80,100])
53 
54 player['q']=np.append(player['q'],player['q'][0])
55 ax4.plot(theta,player['q'],'y')
56 ax4.fill(theta,player['q'],'y',alpha=0.3)
57 ax4.set_xticks(theta)
58 ax4.set_xticklabels(ability_label,fontproperties=font)
59 ax4.set_title('切赫',fontproperties=font,color='y',size=20)
60 ax4.set_yticks([20,40,60,80,100])
61 
62 plt.show()

上述代码也可以利用for循环简化一下

 1 #_*_coding:utf-8_*_
 2 import numpy as np
 3 import matplotlib.pyplot as plt
 4 from matplotlib.font_manager import fontproperties
 5 plt.style.use('ggplot')
 6 
 7 font=fontproperties(fname=r'c:\windows\fonts\simsun.ttc',size=12)
 8 
 9 ability_size=6
10 ability_label=['进攻','防守','盘带','速度','体力','射术']
11 
12 ax1=plt.subplot(221,projection='polar')
13 ax2=plt.subplot(222,projection='polar')
14 ax3=plt.subplot(223,projection='polar')
15 ax4=plt.subplot(224,projection='polar')
16 
17 player={
18     'm': np.random.randint(size=ability_size, low=60, high=99),
19     'h': np.random.randint(size=ability_size, low=60, high=99),
20     'p': np.random.randint(size=ability_size, low=60, high=99),
21     'q': np.random.randint(size=ability_size, low=60, high=99),
22 }
23 
24 theta=np.linspace(0,2*np.pi,6,endpoint=false)
25 theta=np.append(theta,theta[0])
26 
27 color4=['r','b','g','y']
28 player4=['m','h','p','q']
29 ax=[ax1,ax2,ax3,ax4]
30 name=['梅西','哈维','皮克','切赫']
31 for i in range(4):
32     player[player4[i]]=np.append(player[player4[i]],player[player4[i]][0])
33     ax[i].plot(theta,player[player4[i]],color4[i])
34     ax[i].fill(theta,player[player4[i]],color4[i],alpha=0.3)
35     ax[i].set_xticks(theta)
36     ax[i].set_xticklabels(ability_label,fontproperties=font)
37     ax[i].set_title(name[i],fontproperties=font,color=color4[i],size=20)
38     ax[i].set_yticks([20,40,60,80,100])
39 
40 plt.show()

 

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