Package mvpa :: Package featsel :: Module helpers :: Class TailSelector

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# Class TailSelector

source code

Select elements from a tail of a distribution.

The default behaviour is to discard the lower tail of a given distribution.

Nested Classes | [hide private]

Inherited from `misc.state.ClassWithCollections`: `__metaclass__`

Instance Methods | [hide private]

__init__(self, tail='lower', sort=True, **kwargs) Initialize TailSelector | source code

_setTail(self, tail) Set the tail to be processed. | source code

_getNElements(self, seq) In derived classes has to return the number of elements to be processed given a sequence values forming the distribution. | source code

__call__(self, seq) Returns selected IDs. | source code

Inherited from `ElementSelector` (private): `_setMode` Inherited from `misc.state.ClassWithCollections`: `__getattribute__`, `__new__`, `__repr__`, `__setattr__`, `__str__`, `reset` Inherited from `object`: `__delattr__`, `__format__`, `__hash__`, `__reduce__`, `__reduce_ex__`, `__sizeof__`, `__subclasshook__`

Class Variables | [hide private]

Inherited from `ElementSelector`: `mode`, `ndiscarded` Inherited from `misc.state.ClassWithCollections`: `_DEV__doc__`, `descr`

Properties | [hide private]

Inherited from `object`: `__class__`

Method Details | [hide private]

### __init__(self, tail='lower', sort=True, **kwargs)
(Constructor)

source code

Initialize TailSelector

Parameters:
  - `tail` (['lower', 'upper']) - Choose the tail to be processed.
  - `sort` (bool) - Flag whether selected IDs will be sorted. Disable if not necessary to save some CPU cycles.
Overrides: object.__init__

### __call__(self, seq)
(Call operator)

source code

Returns selected IDs.

Overrides: ElementSelector.__call__