[R] the rationale for using update()

Thomas Lumley tlumley at u.washington.edu
Wed May 18 18:53:17 CEST 2005

On Wed, 18 May 2005, Dimitri Joe wrote:

> Hi there,
> I wonder what is the rationale for using update(): just saving on 
> typing, more efficiency, or something else?

It saves on typing (and in particular on typing errors).  Methods for 
"update" could be more efficient than fitting the model from scratch, but 
typically are not.


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