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mvpa.featsel.helpers.TailSelector

class mvpa.featsel.helpers.TailSelector(tail='lower', sort=True, **kwargs)

Select elements from a tail of a distribution.

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

Notes

Available conditional attributes:

• ndiscarded+: Store number of discarded elements.

(Conditional attributes enabled by default suffixed with +)

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.

enable_ca : None or list of str

Names of the conditional attributes which should be enabled in addition to the default ones

disable_ca : None or list of str

Names of the conditional attributes which should be disabled

mode : {‘discard’, ‘select’}

Decides whether to select or to discard features.

descr : str

Description of the instance