https://cran.r-universe.dev/fairlieRhttps://cran.r-universe.dev/api/packages/fairlieRhttps://cran.r-universe.dev/fairlieR/fairlieR.pdfhttps://cran.r-universe.dev/fairlieR/doc/manual.htmlhttps://cran.r-universe.dev/fairlieR/NEWShttps://cran.r-universe.dev/fairlieR/NEWS.txthttps://cran.r-universe.dev/fairlieR/citationhttps://cran.r-universe.dev/fairlieR/citation.txthttps://cran.r-universe.dev/fairlieR/citation.cff