On 10 November 2012 at 19:22, Ian Fellows wrote: | Hi All, | | I've been working on an Rcpp based package (for the better part of a year and a | half now), and have a few issues that I was hoping I could get some help with. | | As a bit of background, this package fits (via MCMC-MLE) exponential family | random graph models (ergm), markov random field models, and a new | generalization of the two (un-creatively titled) exponential random network | models (ernm). More full info on the math is available at [1], and some obtuse | notes toward a vignette are at [2]. You can download the package source from | [3]. | | The package uses Rcpp modules extensively to pass large C++ objects up and down | between R and C++ transparently, and with no deep copies.
We think we are about to release a new version. It will, among other things, bring a few new exciting things to Modules (as Romain already hinted on his blog earlier in the week). So maybe we should take this one question at a time. | Problem 1: on R CMD check I get a namespace loading warning. I believe this was | discussed on list some time ago, but there wasn't a resolution offered that I | could see. I tried adding imports(methods) to the namespace, to no avail. The | warning is: | | ** checking whether the namespace can be loaded with stated dependencies ... | WARNING | Error in value[[3L]](cond) : failed to load module ernm from package ernm | could not find function "getClass" Quick guess: Maybe force load / import of package 'methods' ? More on the other questions in a few days. Let's take them one by one. Dirk | Error: .onLoad failed in loadNamespace() for ‘ernm’, details: | call: fun(libname, pkgname) | error: could not find function "initErnmStatistics" | Execution halted | | Problem 2: I want to make the package extensible so that other packages can | extend the C++ classes, and so that they can be used via inline. I tried to | make an inline plug-in (see: inline.R), but have gotten stuck. Any guidance | here is appreciated. | | Problem 3: This isn't an Rcpp question per se, but… I have some C++ tests in | a subdirectory of src (src/tests), I would like to export them to R so that | they can be run on R CMD check but R doesn't seem to be compiling them | correctly. How do I modify MakeVars to compile the subdirectory? | | Any comments on the code itself are also more than welcome. It is still very | much research code, so I'm sure that there are many ways to break it. | | Best, | Ian | | | | [1] http://fellstat.com/files/ifellows.pdf | [2] http://fellstat.com/files/ernm.pdf | [3] http://fellstat.com/files/ernm_1.0.tar.gz | | ---------------------------------------------------------------------- | _______________________________________________ | Rcpp-devel mailing list | [email protected] | https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/rcpp-devel -- Dirk Eddelbuettel | [email protected] | http://dirk.eddelbuettel.com _______________________________________________ Rcpp-devel mailing list [email protected] https://lists.r-forge.r-project.org/cgi-bin/mailman/listinfo/rcpp-devel
