>>>>> Prof J C Nash (U30A) writes: > I've been implementing a wrapper to the 2011 Fortran version of > L-BFGS-B. In optim(), R uses a C translation of a Fortran version (the > version number does not appear to be documented by the original > authors). The authors of the original Fortran code have updated it and > published the reasons in ACM TOMS due to inefficiencies and a bug.
> In running the checks on the resulting package (which is on R-forge > under the optimizer project), I'm getting a number of warning messages > of the type > Warning in file.copy(file.path(.Library, pkg, "DESCRIPTION"), pd) : > problem copying /usr/lib/R/library/mgcv/DESCRIPTION to > /tmp/Rtmp0kkeHo/RLIBS_1214765d1c5f/mgcv/DESCRIPTION: No such file or > directory > which reference DESCRIPTIONs for a number of packages other than the one > being checked -- here mgcv -- and which are not referenced in my package > as far as I can determine. > Possibly unrelated, when I run the code on a problem, it works for one > run, then gives a NAMESPACE error and failure on the second try. Apart > from this, checks and unit tests appear to work correctly. > Does anyone have pointers where I might find some ideas on the origin of > the issue(s)? I suspect the warning messages are not particularly > indicative of the source of the warnings, but that I have some subtle > glitch in the setup and call to the Fortran. > I suspect this is not platform dependent, but I'm running Linux Mint > 17.1 (ubuntu derivative), and R 3.1.2. John: maybe you did not install the recommended packages? (On Debian, the corresponding package would be r-recommended.) Best -k > Cheers, JN > ______________________________________________ > R-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel