On Mon, 22 Sep 2003, Paul Meagher wrote:
> Say I have collected data and used it to construct a linear model.
>
> I now have a new observation and want to use it to update my linear model.
>
> Is there a more efficient way to update the model than recomputing the
> linear model from the complete data set?
>
Not implemented. While in principle there are much more efficient things
to do, in practice there is enough overhead in lm() that it probably isn't
worth doing them.
-thomas
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