Extracts or assigns optional attributes from or to a
getAttributes(obj) setAttributes(obj) <- value
an object, the new value of the attribute, or NULL to remove the attribute.
timeSeries object is documented. By default a time series
object holds in the documentation slot a string with creation time and the
user who has defined it. But this is not all. Optionally the whole creation
process and history can be recorded. For this the
slot may have an optional
"Attributes" element. This attribute is
tracked over the whole life time of the object whenever the time series
is changed. Whenever you like to be informed about the optional attributes,
or you like to recover them you can dot it, and evenmore, whenever you like
to add information as an addiitonal attribute you can also do it.
The two functions
access to and allow to modify the optional attributes of a
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