https://cran.r-universe.dev/survRM2https://cran.r-universe.dev/api/packages/survRM2https://cran.r-universe.dev/survRM2/survRM2.pdfhttps://cran.r-universe.dev/survRM2/doc/manual.htmlhttps://cran.r-universe.dev/survRM2/NEWShttps://cran.r-universe.dev/survRM2/NEWS.txthttps://cran.r-universe.dev/survRM2/citationhttps://cran.r-universe.dev/survRM2/citation.txthttps://cran.r-universe.dev/survRM2/citation.cffhttps://cran.r-universe.dev/survRM2/doc/survRM2-vignette3-2.Rmdhttps://cran.r-universe.dev/articles/survRM2/survRM2-vignette3-2.html