https://cstats.r-universe.dev/landmarkedhttps://cstats.r-universe.dev/api/packages/landmarkedhttps://cstats.r-universe.dev/landmarked/doc/manual.pdfhttps://cstats.r-universe.dev/landmarked/doc/manual.htmlhttps://cstats.r-universe.dev/landmarked/NEWShttps://cstats.r-universe.dev/landmarked/NEWS.txthttps://cstats.r-universe.dev/landmarked/citationhttps://cstats.r-universe.dev/landmarked/citation.txthttps://cstats.r-universe.dev/landmarked/citation.cffhttps://cstats.r-universe.dev/landmarked/doc/Landmarked_example.Rmdhttps://cstats.r-universe.dev/articles/landmarked/Landmarked_example.html