Source Code for Module ML.Cluster.Standardize

 1  # $Id: Standardize.py 2 2006-05-06 22:54:39Z glandrum $ 
 2  # 
 3  # Copyright (C) 2001-2006  greg Landrum 
 4  # 
 5  #   @@ All Rights Reserved  @@ 
 6  # 
 7  """ contains code for standardization of data matrices for clustering 
 8   
 9   
10  """ 
11  from Numeric import * 
12  from ML.Data import Stats 
13   
14 -def StdDev(mat): 
15    """ the standard deviation classifier 
16   
17     This uses _ML.Data.Stats.StandardizeMatrix()_ to do the work 
18      
19    """ 
20    return Stats.StandardizeMatrix(mat) 
21       
22  methods = [ 
23    ("None",lambda x:x,"No Standardization"), 
24    ("Standard Deviation",StdDev,"Use the standard deviation"), 
25    ] 
26