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# your code goes here
#!/usr/bin/env python
#-*- coding: utf-8 -*-
#7-16.py
import numpy as np
import matplotlib.pyplot as plt
import mlpy
f = np.loadtxt("C:\Users\Administrator\Desktop\data\spiral.data")
x, y = f[:, :2], f[:, 2]
svm = mlpy.LibSvm(svm_type='c_svc', kernel_type='rbf', gamma=100)
svm.learn(x, y)
xmin, xmax = x[:,0].min()-0.1, x[:,0].max()+0.1
ymin, ymax = x[:,1].min()-0.1, x[:,1].max()+0.1
xx, yy = np.meshgrid(np.arange(xmin, xmax, 0.01), np.arange(ymin, ymax, 0.01))
xnew = np.c_[xx.ravel(), yy.ravel()]
ynew = svm.pred(xnew).reshape(xx.shape)
fig = plt.figure(1)
plt.pcolormesh(xx, yy, ynew)
plt.scatter(x[:,0], x[:,1], c=y)
plt.show()
 
 

Traceback (most recent call last):
  File "/usr/lib/python3.4/py_compile.py", line 124, in compile
    _optimize=optimize)
  File "<frozen importlib._bootstrap>", line 1532, in source_to_code
  File "<frozen importlib._bootstrap>", line 321, in _call_with_frames_removed
  File "./prog.py", line 8
    f = np.loadtxt("C:\Users\Administrator\Desktop\data\spiral.data")
                  ^
SyntaxError: (unicode error) 'unicodeescape' codec can't decode bytes in position 2-3: truncated \UXXXXXXXX escape

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/usr/lib/python3.4/py_compile.py", line 128, in compile
    raise py_exc
py_compile.PyCompileError:   File "./prog.py", line 8
    f = np.loadtxt("C:\Users\Administrator\Desktop\data\spiral.data")
                  ^
SyntaxError: (unicode error) 'unicodeescape' codec can't decode bytes in position 2-3: truncated \UXXXXXXXX escape

Standard output is empty