/usr/lib/R/site-library/RcppArmadillo/ is in r-cran-rcpparmadillo 0.4.000.2-2.
This file is owned by root:root, with mode 0o755.
There are a lot of files here (476 total).
We're only showing the immediate contents of /usr/lib/R/site-library/RcppArmadillo
.