Package rdkit :: Package ML :: Package Cluster :: Module Standardize

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# Source Code for Module rdkit.ML.Cluster.Standardize

     1  # $Id$
     2  #
     3  # Copyright (C) 2001-2008  greg Landrum
     4  #
     5  #   @@ All Rights Reserved @@
     6  #  This file is part of the RDKit.
     7  #  The contents are covered by the terms of the BSD license
     8  #  which is included in the file license.txt, found at the root
     9  #  of the RDKit source tree.
    10  #
    11  """ contains code for standardization of data matrices for clustering
    12
    13
    14  """
    15  from rdkit.ML.Data import Stats
    16
    17 -def StdDev(mat):
    18    """ the standard deviation classifier
    19
    20     This uses _ML.Data.Stats.StandardizeMatrix()_ to do the work
    21
    22    """
    23    return Stats.StandardizeMatrix(mat)
    24
    25  methods = [
    26    ("None",lambda x:x,"No Standardization"),
    27    ("Standard Deviation",StdDev,"Use the standard deviation"),
    28    ]
    29