[R] update.packages() after updating R version

Bert Gunter bgunter@4567 @end|ng |rom gm@||@com
Sun May 27 01:35:09 CEST 2018

Is this warning in ?update.packages relevant?

"Take care when using dependencies (passed to install.packages
<>) with
update.packages, for it is unclear where new dependencies should be
installed. The current implementation will only allow it if all the
packages to be updated are in a single library, when that library will be

-- Bert

Bert Gunter

"The trouble with having an open mind is that people keep coming along and
sticking things into it."
-- Opus (aka Berkeley Breathed in his "Bloom County" comic strip )

On Sat, May 26, 2018 at 4:24 PM, Rich Shepard <rshepard using appl-ecosys.com>

>   R-3.5.0 is installed here. When I tried to update installed packages
> errors were reported when their dependencies were built under a prior
> version of R.
>   Reading ?update.packages() I did not see an option that would
> automatically update dependences built under an earlier version of R. Is
> there such an option that I missed?
>   Alternatively, is there a function I can run that will rebuild all
> installed packages after I upgrade R versions?
> Regards,
> Rich
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