[Rd] Save and serialize

Prof Brian Ripley ripley at stats.ox.ac.uk
Mon Feb 7 22:51:04 CET 2011

On Mon, 7 Feb 2011, Hadley Wickham wrote:

> Hi all,
> Is there any relationship between save and serialize?  Do they use the
> same algorithm?

See the R-internals manual: there is more info in the R-devel version, 
not least because saveRDS() is added to the mix.

But basically serialize() and saveRDS() use the same format, and 
save() writes a header and then serializes a pairlist of the objects 

'The same algorithm' is somewhat misleading here: strictly no, as they 
manage to use four entry points to the code base.

> Hadley
> -- 
> Assistant Professor / Dobelman Family Junior Chair
> Department of Statistics / Rice University
> http://had.co.nz/
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Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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