https://rnoremlas.r-universe.dev/rvifhttps://rnoremlas.r-universe.dev/api/packages/rvifhttps://rnoremlas.r-universe.dev/rvif/rvif.pdfhttps://rnoremlas.r-universe.dev/rvif/doc/manual.htmlhttps://rnoremlas.r-universe.dev/rvif/citationhttps://rnoremlas.r-universe.dev/rvif/citation.txthttps://rnoremlas.r-universe.dev/rvif/citation.cffhttps://rnoremlas.r-universe.dev/rvif/doc/The_rvif_package.Rmdhttps://rnoremlas.r-universe.dev/articles/rvif/The_rvif_package.html