https://yufree.r-universe.dev/rgabrielhttps://yufree.r-universe.dev/api/packages/rgabrielhttps://yufree.r-universe.dev/rgabriel/rgabriel.pdfhttps://yufree.r-universe.dev/rgabriel/doc/manual.htmlhttps://yufree.r-universe.dev/rgabriel/citationhttps://yufree.r-universe.dev/rgabriel/citation.txthttps://yufree.r-universe.dev/rgabriel/citation.cff