Package mvpa :: Package measures :: Module base :: Class FeaturewiseDatasetMeasure
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Class FeaturewiseDatasetMeasure

source code


A per-feature-measure computed from a Dataset (base class).

Should behave like a DatasetMeasure.

Nested Classes [hide private]

Inherited from misc.state.Stateful: __metaclass__

Instance Methods [hide private]
 
__init__(self, combiner=<function SecondAxisSumOfAbs at 0x874a9cc>, *args, **kwargs)
Initialize
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_call(self, dataset)
Computes a per-feature-measure on a given Dataset.
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_postcall(self, dataset, result)
Adjusts per-feature-measure for computed result
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Inherited from DatasetMeasure: __call__, __str__

Inherited from misc.state.Stateful: __getattribute__, __repr__, __setattr__, reset

Inherited from object: __delattr__, __hash__, __new__, __reduce__, __reduce_ex__

Class Variables [hide private]
  base_sensitivities = StateVariable(enabled= False, doc= "Store...
  _collections_template = {'states': <mvpa.misc.state.StateColle...

Inherited from DatasetMeasure: __doc__, null_prob, raw_result

Inherited from misc.state.Stateful (private): _initargs

Properties [hide private]

Inherited from misc.state.Stateful: descr

Inherited from object: __class__

Method Details [hide private]

__init__(self, combiner=<function SecondAxisSumOfAbs at 0x874a9cc>, *args, **kwargs)
(Constructor)

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Initialize
Parameters:
  • combiner (Functor) - If _call returned value is 2d -- combines along 2nd dimension as well as sets base_sensitivities TODO change combiner's default
Overrides: object.__init__

_call(self, dataset)

source code 

Computes a per-feature-measure on a given Dataset.

Behaves like a DatasetMeasure, but computes and returns a 1d ndarray with one value per feature.

Overrides: DatasetMeasure._call

_postcall(self, dataset, result)

source code 

Adjusts per-feature-measure for computed result

TODO: overlaps in what it does heavily with
CombinedSensitivityAnalyzer, thus this one might make use of CombinedSensitivityAnalyzer yoh thinks, and here base_sensitivities doesn't sound appropriate.
Overrides: DatasetMeasure._postcall

Class Variable Details [hide private]

base_sensitivities

Value:
StateVariable(enabled= False, doc= "Stores basic sensitivities if the \
sensitivity "+ "relies on combining multiple ones")

_collections_template

Value:
{'states': <mvpa.misc.state.StateCollection object at 0x874b6cc>}