[R-pkg-devel] Warning about "serialize/load".
tr@ver@c @end|ng |rom gm@||@com
Mon Jul 15 02:06:58 CEST 2019
I think the major change was saving of alt-rep objects efficiently.
Example save(1:1e8, file=...) is very efficient.
I'm not sure if that is all that changed it, but I couldn't find
documentation on the differences.
For maximum compatibility in a package, personally I would use version 2.
On Sun, Jul 14, 2019 at 4:52 PM Rolf Turner <r.turner using auckland.ac.nz> wrote:
> In a package (say "clyde") that I am building I save a number of
> datasets in clyde/data via something like:
> When I build "clyde" I now get warnings like unto:
> > WARNING: Added dependency on R >= 3.5.0 because serialized objects in
> > serialize/load version 3 cannot be read in older versions of R.
> > File(s) containing such objects: 'clyde/data/melvin.rda'
> If I put the argument "version=2" into my save() call, the warnings go
> What are the implications of this?
> What are the consequences/what is the downside of setting version=2?
> What are the consequences/what is the downside of adding the dependency
> on R >= 3.5.0 into my DESCRIPTION file?
> Who gets shafted by each of these two possibilities?
> Which is recommended?
> Grateful for any pearls of wisdom.
> Rolf Turner
> Honorary Research Fellow
> Department of Statistics
> University of Auckland
> Phone: +64-9-373-7599 ext. 88276
> R-package-devel using r-project.org mailing list
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