https://cttir.r-universe.dev/shieldRhttps://cttir.r-universe.dev/api/packages/shieldRhttps://cttir.r-universe.dev/shieldR/doc/manual.pdfhttps://cttir.r-universe.dev/shieldR/doc/manual.htmlhttps://cttir.r-universe.dev/shieldR/NEWShttps://cttir.r-universe.dev/shieldR/NEWS.txthttps://cttir.r-universe.dev/shieldR/citationhttps://cttir.r-universe.dev/shieldR/citation.txthttps://cttir.r-universe.dev/shieldR/citation.cffhttps://cttir.r-universe.dev/shieldR/doc/interactive-exploration.Rmdhttps://cttir.r-universe.dev/articles/shieldR/interactive-exploration.htmlhttps://cttir.r-universe.dev/shieldR/doc/getting-started.Rmdhttps://cttir.r-universe.dev/articles/shieldR/getting-started.htmlhttps://cttir.r-universe.dev/shieldR/doc/study-design.Rmdhttps://cttir.r-universe.dev/articles/shieldR/study-design.html