Package qubx :: Module maths :: Class RunningMean

Class RunningMean

object --+
         |
        RunningMean

Accumulates the approximate mean and standard deviation of a partial dataset.

Example:

>>> accumulator = RunningMean()
>>> for x in dataset:
>>>     accumulator.add(x)
>>>     print "after %d points: %f +/- %f" % (accumulator.n, accumulator.mean, accumulator.stdDev)

Instance Methods

[hide private]

__init__(self)
x.__init__(...) initializes x; see help(type(x)) for signature

source code

add(self, x)

source code

get_std(self)

source code

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

Properties

[hide private]

stdDev

Inherited from object: __class__

Method Details

[hide private]

init(self)
(Constructor)

source code

x.__init__(...) initializes x; see help(type(x)) for signature

Overrides: object.__init__: (inherited documentation)

Property Details

[hide private]

stdDev

Get Method:: get_std(self)

Class RunningMean

__init__(self) (Constructor)

stdDev

init(self)
(Constructor)