On Wed, 15 Jan 2020 at 19:26, Roberts, David <drobe...@montana.edu> wrote: > > Dear Bill, Dear Iñaki, > > Thank you both; I'm confident that you are right. I realized a list > or data.frame would generate that error message, but I did not know that > NULL would also do so. > > This means the the error occurred in the previous function call > which produced an output object that lacked the matrix expected at > $member. As Iñaki well notes, the existence of an object of the correct > class doesn't guarantee it is well-formed. On my machine (and those I > have access to), str(mss) returns > > List of 7 > $ musubx : num [1:78, 1:10] 1 1 1 1 1 1 1 1 1 1 ... > $ member : int [1:78, 1:10] 1 2 3 4 5 6 8 9 10 11 ... > $ numset : int 78 > $ size : num 10 > $ alphac : NULL > $ distname: chr "dis.bc" > $ numele : int 150 > - attr(*, "class")= chr "mss" > - attr(*, "call")= language maxsimset(dist = dis.bc, size = 10) > - attr(*, "timestamp")= chr "Wed Jan 15 19:15:33 2020" > > where clearly $member is a matrix with 10 columns. > > Unfortunately, I cannot generate the error on any machines I have > access to and will have to find a debian machine running R-devel to do > any debugging.
I would try the Debian machines on rhub: they should be pretty up to date with the CRAN configuration, and if you can reproduce the error there, then you can test a more verbose output without importuning CRAN, or you could even run those configurations and investigate locally using rhub's dockerfiles. Iñaki ______________________________________________ R-package-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-package-devel
