Source Code for Module ML.Cluster.Standardize

 1  # $Id: Standardize.py 742 2008-07-05 07:42:38Z glandrum $ 
 2  # 
 3  # Copyright (C) 2001-2008  greg Landrum 
 4  # 
 5  #   @@ All Rights Reserved  @@ 
 6  # 
 7  """ contains code for standardization of data matrices for clustering 
 8   
 9   
10  """ 
11  from ML.Data import Stats 
12   
13 -def StdDev(mat): 
14    """ the standard deviation classifier 
15   
16     This uses _ML.Data.Stats.StandardizeMatrix()_ to do the work 
17      
18    """ 
19    return Stats.StandardizeMatrix(mat) 
20       
21  methods = [ 
22    ("None",lambda x:x,"No Standardization"), 
23    ("Standard Deviation",StdDev,"Use the standard deviation"), 
24    ] 
25