Generic function for volatility computations.
Usage
volatility(object, ...)
# Default S3 method
volatility(object, ...)
Arguments
- object
an object from which to extract or compute the volatility.
- ...
arguments for methods. Ignored by the default method.
Details
volatility is a generic function, whose default method centers
and squares the values in object. Other packages can (and do)
define methods for it.