I got the email below concerning 3 of my packages but wonder if they are false alarms or if not, how to locate & fix the problem.
This concerns packages: ... Suggested packages should be used conditionally: see �1.1.3.1 of 'Writing R Extensions'. Some of these are hard to install on a platform without X11 such as M1 Macs: see the logs at https://www.stats.ox.ac.uk/pub/bdr/M1mac/. You can check all of the suggested packages by setting environment variable _R_CHECK_DEPENDS_ONLY_=true -- see https://cran.r-project.org/doc/manuals/r-devel/R-ints.html#Tools . Is this a false alarm? In each case, the outfile contains: * checking package namespace information ... OK * checking package dependencies ... NOTE Package suggested but not available for checking: 'rgl' indicating that rgl is not avaiable on the testing machine. Then, when checking examples an error is triggered when an example calls something that requires rgl. > > heplot3d(Adopted.mod, hypotheses=list("Reg"=c("AMED", "BMIQ")), + col = c("red", "blue", "black", "gray"), wire=FALSE) Loading required namespace: rgl Failed with error: 'there is no package called 'rgl'' Error in heplot3d.mlm(Adopted.mod, hypotheses = list(Reg = c("AMED", "BMIQ")), : rgl package is required. Calls: heplot3d -> heplot3d.mlm Execution halted Yet, heplot3d seems to contain the required way to refer to the suggested rgl package: if (!requireNamespace("rgl")) stop("rgl package is required.") So, I'm mystified. Can anyone help? Michael Friendly Email: friendly AT yorku DOT ca Professor, Psychology Dept. & Former Chair, ASA Statistical Graphics Section York University Voice: 416 736-2100 x66249 4700 Keele Street Web: http://www.datavis.ca | @datavisFriendly Toronto, ONT M3J 1P3 CANADA [[alternative HTML version deleted]]
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