Returns all variables that maintain their moving averages.
ExponentialMovingAverage object is created and the
method is called on a list of variables, these variables will
be added to the
This convenience function returns the contents of that collection.
(Optional.) A string. If supplied, the resulting list is filtered to
include only items whose
name attribute matches
re.match. Items without a
name attribute are never returned if a scope
is supplied. The choice of
re.match means that a
scope without special
tokens filters by prefix.
A list of Variable objects.