https://cran.r-universe.dev/giehttps://cran.r-universe.dev/api/packages/giehttps://cran.r-universe.dev/gie/gie.pdfhttps://cran.r-universe.dev/gie/doc/manual.htmlhttps://cran.r-universe.dev/gie/citationhttps://cran.r-universe.dev/gie/citation.txthttps://cran.r-universe.dev/gie/citation.cff