[R-pkg-devel] Unexpected problem with CRAN submission for dendroTools

Jernej Jevšenak jernej@jev@en@k @end|ng |rom gm@||@com
Tue Mar 9 15:04:14 CET 2021

Hello Everyone,

Yesterday I successfully updated the dendroTools R package, but afterwards
I received an email from CRAN, regarding their policy:

“Dear maintainer,

Please see the problems shown on

Please correct before 2021-03-22 to safely retain your package on CRAN.

It seems we need to remind you of the CRAN policy:

'Packages which use Internet resources should fail gracefully with an
informative message if the resource is not available or has changed (and
not give a check warning nor error).'

This needs correction whether or not the resource recovers.

The CRAN Team”

After reading some online discussions, e.g. here (
I informed myself about possible issues when examples rely on data from the
internet. However, all data that I use in my examples/vignettes is built in
the package, so I am confused what I should do?

Any advice is appreciated.


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