https://ropensci.r-universe.dev/ritishttps://ropensci.r-universe.dev/api/packages/ritishttps://ropensci.r-universe.dev/ritis/ritis.pdfhttps://ropensci.r-universe.dev/ritis/doc/manual.htmlhttps://ropensci.r-universe.dev/ritis/NEWShttps://ropensci.r-universe.dev/ritis/NEWS.txthttps://ropensci.r-universe.dev/ritis/citationhttps://ropensci.r-universe.dev/ritis/citation.txthttps://ropensci.r-universe.dev/ritis/citation.cff