/usr/lib/R/site-library/matrixStats/benchmarking/ is in r-cran-matrixstats 0.10.3-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/R/site-library/matrixStats/benchmarking/R/
/usr/lib/R/site-library/matrixStats/benchmarking/R/random-matrices.R
/usr/lib/R/site-library/matrixStats/benchmarking/R/random-vectors.R
/usr/lib/R/site-library/matrixStats/benchmarking/binCounts.md.rsp
/usr/lib/R/site-library/matrixStats/benchmarking/binMeans.md.rsp
/usr/lib/R/site-library/matrixStats/benchmarking/colRowAnyMissings.md.rsp
/usr/lib/R/site-library/matrixStats/benchmarking/colRowCounts.md.rsp
/usr/lib/R/site-library/matrixStats/benchmarking/colRowLogSumExps.md.rsp
/usr/lib/R/site-library/matrixStats/benchmarking/colRowMads.md.rsp
/usr/lib/R/site-library/matrixStats/benchmarking/colRowMeans.md.rsp
/usr/lib/R/site-library/matrixStats/benchmarking/colRowMedians.md.rsp
/usr/lib/R/site-library/matrixStats/benchmarking/colRowMins.md.rsp
/usr/lib/R/site-library/matrixStats/benchmarking/colRowOrderStats.md.rsp
/usr/lib/R/site-library/matrixStats/benchmarking/colRowProds.md.rsp
/usr/lib/R/site-library/matrixStats/benchmarking/colRowQuantiles.md.rsp
/usr/lib/R/site-library/matrixStats/benchmarking/colRowRanges.md.rsp
/usr/lib/R/site-library/matrixStats/benchmarking/colRowRanks.md.rsp
/usr/lib/R/site-library/matrixStats/benchmarking/colRowSds.md.rsp
/usr/lib/R/site-library/matrixStats/benchmarking/colRowSums.md.rsp
/usr/lib/R/site-library/matrixStats/benchmarking/colRowTabulates.md.rsp
/usr/lib/R/site-library/matrixStats/benchmarking/colRowWeightedMeans.md.rsp
/usr/lib/R/site-library/matrixStats/benchmarking/colRowWeightedMedians.md.rsp
/usr/lib/R/site-library/matrixStats/benchmarking/includes/
/usr/lib/R/site-library/matrixStats/benchmarking/includes/appendix.md.rsp
/usr/lib/R/site-library/matrixStats/benchmarking/includes/footer.md.rsp
/usr/lib/R/site-library/matrixStats/benchmarking/includes/header.md.rsp
/usr/lib/R/site-library/matrixStats/benchmarking/includes/references.md.rsp
/usr/lib/R/site-library/matrixStats/benchmarking/includes/results.md.rsp
/usr/lib/R/site-library/matrixStats/benchmarking/includes/setup.md.rsp
/usr/lib/R/site-library/matrixStats/benchmarking/index.md.rsp
/usr/lib/R/site-library/matrixStats/benchmarking/product.md.rsp
/usr/lib/R/site-library/matrixStats/benchmarking/weightedMedian.md.rsp