DuckSoft  filed a deletion request for r-lattice :
r has bundled this package, so no need now
 https://aur.archlinux.org/account/DuckSoft/  https://aur.archlinux.org/pkgbase/r-lattice/
Request #25482 has been accepted automatically by the Arch User Repository package request system:
Deletion of a fresh package requested by its current maintainer.