Source Code for Module classifiers.l_class_show

 1   
 2  """Reads in the output of l_classifier.py and prepares it for display. 
 3  NOTE: this only makes sense for two classes. 
 4  """ 
 5   
 6  import numpy 
 7  import read_classified 
 8   
 9   
10 -def ssv(a): 
11          return ' '.join( [ '%g' % x for x in a ] ) 
12   
13   
14 -def doit(fn): 
15          fd = open(fn, 'r') 
16          hdr, classifiers = read_classified.read_classes(fd) 
17          dbar = None 
18          for classifier in classifiers: 
19                  dsum = None 
20                  for model in classifier.models.values(): 
21                          if dsum is None: 
22                                  dsum = numpy.array(model.dir, numpy.double) 
23                          else: 
24                                  dsum += model.dir 
25                  dsum /= len(classifier.models) 
26                  for model in classifier.models.values(): 
27                          model.dir -= dsum 
28   
29                  if dbar is None: 
30                          dbar = numpy.array(classifier.models['P'].dir, numpy.double) 
31                  else: 
32                          dbar += classifier.models['P'].dir 
33   
34          print fn, hdr['K'], ssv(dbar/len(classifiers)) 
35   
36   
37   
38  if __name__ == '__main__': 
39          import sys 
40          doit(sys.argv[1]) 
41