ergm.userterms prior to 3.1ergm
version 3.1 (including 3.0--999 preview release) to be used with versions 3.1 or later.ergm.userterms --- Statnet's
mechanism enabling users to write their own ERGM terms --- comes in a
form of an R package containing files for the user to put their own
statistics into (i.e., changestats.user.h,
changestats.user.c, and InitErgmTerm.user.R), as well as
some boilerplate to support them (e.g., edgetree.h,
edgetree.c, changestat.h, changestat.c, etc.). Although the ergm.userterms API
is stable, recent developments in ergm have necessitated the
boilerplate files in ergm.userterms to be updated. To reiterate, the
user-written statistic source code (changestats.user.h,
changestats.user.c, and InitErgmTerm.user.R) can be used
without modification, but other files that came with the package need
to be changed.
To make things easier in the future, we have implemented a mechanism (using R's LinkingTo API, in case you are wondering) that will keep things in sync in releases after the upcoming one. However, for the upcoming release, we need to transition to this new mechanism.
ergm.usertermssource from CRAN
using, e.g.,download.packagesand unpack it.changestats.user.h,changestats.user.c, andInitErgmTerm.user.R) andonlythose files from the oldergm.usertermssource code to
the new. Donotcopy the boilerplate files that you did not
modify.DESCRIPTIONfile
(e.g., to change the package name) orzzz.R(e.g., to change
the startup message), modify them as needed in the updatedergm.userterms, but donotsimply overwrite them with their old versions.ergminstallation is up to date, and rebuildergm.userterms.