Package PyML :: Package containers :: Module pairData :: Class PairDataSet
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Class PairDataSet

source code

                  object --+        
                           |        
    baseDatasets.BaseDataSet --+    
                               |    
     baseDatasets.WrapperDataSet --+
                                   |
ext.cpairdataset._object --+       |
                           |       |
    ext.cpairdataset.DataSet --+   |
                               |   |
    ext.cpairdataset.PairDataSet --+
                                   |
                                  PairDataSet


DataSet container for pairs of objects.

The kernel between a pair is defined via the kernel between the
members of the pair:
K((X_1,X_2), (X'_1, X'_2)) = K'(X_1, X'_1) K'(X_2, X'_2) +
                             K'(X_1, X'_2) K'(X_2, X'_1)

file format::

  id1_id2 label,... (can have additional fields that are ignored)    

Instance Methods
 
__init__(self, arg, **args)
x.__init__(...) initializes x; see x.__class__.__doc__ for signature
source code
 
copy(self, other, patterns, deepcopy)
Each class that wants to use the generic copy constructor needs to define this function for doing class-specific copying
source code
 
constructFromFile(self, fileName) source code
 
callConstructor(self, firstVector, secondVector) source code
 
callCopyConstructor(self, other, patterns) source code
 
__len__(self)
the number of patterns in the dataset
source code
 
getPair(self, i) source code

Inherited from object: __delattr__, __getattribute__, __hash__, __new__, __reduce__, __reduce_ex__, __repr__, __setattr__, __str__

    Inherited from baseDatasets.WrapperDataSet
 
attachKernel(data, kernel='linear', **args) source code
 
attachLabels(self, labels) source code
 
getX(self) source code
 
get_kernel(self) source code
 
setX(self, value) source code
 
set_kernel(self, value) source code
    Inherited from baseDatasets.BaseDataSet
 
copyConstruct(self, other, **args) source code
 
getKernelMatrix(self)
returns the kernel matrix as a numpy array
source code
 
getTestingFunc(self) source code
 
getTrainingFunc(self) source code
 
registerAttribute(self, attributeName, attributeValue=None, action=None) source code
 
setTestingFunc(self, func) source code
 
setTrainingFunc(self, func) source code
 
test(self, trainingData, **args) source code
 
train(self, **args) source code
    Inherited from ext.cpairdataset.PairDataSet
 
castToBase(*args) source code
 
dotProduct(*args) source code
 
duplicate(*args) source code
 
show(*args) source code
 
size(*args) source code
    Inherited from ext.cpairdataset.DataSet
 
computeNorms(*args) source code
 
getKernelMatrixAsVector(*args) source code
 
setKernel(*args) source code
 
setY(*args) source code
Class Variables
  isVector = False
    Inherited from baseDatasets.WrapperDataSet
  X = property(getX, setX, None, 'X')
  isWrapper = True
  kernel = property(get_kernel, set_kernel, None, 'kernel')
    Inherited from baseDatasets.BaseDataSet
  testingFunc = property(getTestingFunc, setTestingFunc, None, '...
  trainingFunc = property(getTrainingFunc, setTrainingFunc, None...
  type = 'dataset'
    Inherited from ext.cpairdataset.PairDataSet
  __del__ = lambda self:
  __getattr__ = lambda self, name:
  __swig_destroy__ = _cpairdataset.delete_PairDataSet
  __swig_getmethods__ = {}
  __swig_setmethods__ = {}
Properties

Inherited from object: __class__

Method Details

__init__(self, arg, **args)
(Constructor)

source code 

x.__init__(...) initializes x; see x.__class__.__doc__ for signature

Parameters:
  • arg - a file name or another PairDataSet object. if a file name is supplied the constructor expects a dataset object as a keyword argument 'data'
  • data - a dataset object from which the kernel between the pairs of patterns is derived.
  • patterns - patterns to copy when performing copy construction
Overrides: ext.cpairdataset.DataSet.__init__

copy(self, other, patterns, deepcopy)

source code 

Each class that wants to use the generic copy constructor needs to define this function for doing class-specific copying

Overrides: baseDatasets.BaseDataSet.copy
(inherited documentation)

__len__(self)
(Length operator)

source code 

the number of patterns in the dataset

Overrides: baseDatasets.WrapperDataSet.__len__
(inherited documentation)