[已解决]求大神帮我看下这个程序 哪错了

没有土豆的洋芋

import urllib2
url = 'http://aima.cs.berkeley.edu/data/iris.csv'
u = urllib2.urlopen(url)
localFile = open('iris.csv'', 'w')
localFile.write(u.read())
localFile.close()
from numpy import genfromtxt, zeros

data = genfromtxt('iris.csv',delimiter=',',usecols=(0,1,2,3))

target = genfromtxt('iris.csv',delimiter=',',usecols=(4),dtype=str)
from pylab import figure, subplot, hist, xlim, show
xmin = min(data[:,0])
xmax = max(data[:,0])
figure()
subplot(411)
hist(data[target='setosa',0],color='b',alpha=.7)
xlim(xmin,xmax)
subplot(412)
hist(data[target=='versicolor',0],color='r',alpha=.7)
xlim(xmin,xmax)
subplot(413)
hist(data[target=='virginica',0],color='g',alpha=.7)
xlim(xmin,xmax)
subplot(414)
hist(data[:,0],color='y',alpha=.7)
xlim(xmin,xmax)
show()
显示错误：invalid syntax
源程序 网址http://chuansong.me/n/2675694
谢谢

最佳答案

月排行榜 / 总排行榜

ooxx7788

2017-4-15 17:00:47

1. import urllib
   
2. import requests
   
3. # from urllib import request
   
4. url = 'http://aima.cs.berkeley.edu/data/iris.csv'
   
5. u = requests.get(url)
   
6. localFile = open('iris.csv', 'w')
   
7. localFile.write(u.text)
   
8. localFile.close()
   
9. from numpy import genfromtxt, zeros
   
10. 
    
11. data = genfromtxt('iris.csv',delimiter=',',usecols=(0,1,2,3))
    
12. 
    
13. target = genfromtxt('iris.csv',delimiter=',',usecols=(4),dtype=str)
    
14. from pylab import figure, subplot, hist, xlim, show
    
15. xmin = min(data[:,0])
    
16. xmax = max(data[:,0])
    
17. figure()
    
18. subplot(411)
    
19. hist(data[target=='setosa',0],color='b',alpha=.7)
    
20. xlim(xmin,xmax)
    
21. subplot(412)
    
22. hist(data[target=='versicolor',0],color='r',alpha=.7)
    
23. xlim(xmin,xmax)
    
24. subplot(413)
    
25. hist(data[target=='virginica',0],color='g',alpha=.7)
    
26. xlim(xmin,xmax)
    
27. subplot(414)
    
28. hist(data[:,0],color='y',alpha=.7)
    
29. xlim(xmin,xmax)
    
30. show()

复制代码

给你改了下，

1. hist(data[target='setosa',0],color='b',alpha=.7)

复制代码

少个=

跳转到最佳答案楼层

新手·ing

显示你的哪里invalid syntax
截图

没有土豆的洋芋

新手·ing 发表于 2017-4-14 21:51
显示你的哪里invalid syntax
截图

伐啦 麻烦看一下 大神

新手·ing

第十三十四行
还有倒数第三行
[]里的内容都去掉逗号
是切片吗，切片没有逗号

没有土豆的洋芋

新手·ing 发表于 2017-4-15 11:27
第十三十四行
还有倒数第三行
[]里的内容都去掉逗号

还是不可以 啊大神

ooxx7788

1. import urllib
   
2. import requests
   
3. # from urllib import request
   
4. url = 'http://aima.cs.berkeley.edu/data/iris.csv'
   
5. u = requests.get(url)
   
6. localFile = open('iris.csv', 'w')
   
7. localFile.write(u.text)
   
8. localFile.close()
   
9. from numpy import genfromtxt, zeros
   
10. 
    
11. data = genfromtxt('iris.csv',delimiter=',',usecols=(0,1,2,3))
    
12. 
    
13. target = genfromtxt('iris.csv',delimiter=',',usecols=(4),dtype=str)
    
14. from pylab import figure, subplot, hist, xlim, show
    
15. xmin = min(data[:,0])
    
16. xmax = max(data[:,0])
    
17. figure()
    
18. subplot(411)
    
19. hist(data[target=='setosa',0],color='b',alpha=.7)
    
20. xlim(xmin,xmax)
    
21. subplot(412)
    
22. hist(data[target=='versicolor',0],color='r',alpha=.7)
    
23. xlim(xmin,xmax)
    
24. subplot(413)
    
25. hist(data[target=='virginica',0],color='g',alpha=.7)
    
26. xlim(xmin,xmax)
    
27. subplot(414)
    
28. hist(data[:,0],color='y',alpha=.7)
    
29. xlim(xmin,xmax)
    
30. show()

复制代码

给你改了下，

1. hist(data[target='setosa',0],color='b',alpha=.7)

复制代码

少个=