https://stephanehess.r-universe.dev/apollohttps://stephanehess.r-universe.dev/api/packages/apollohttps://stephanehess.r-universe.dev/apollo/apollo.pdfhttps://stephanehess.r-universe.dev/apollo/doc/manual.htmlhttps://stephanehess.r-universe.dev/apollo/citationhttps://stephanehess.r-universe.dev/apollo/citation.txthttps://stephanehess.r-universe.dev/apollo/citation.cffhttps://stephanehess.r-universe.dev/apollo/doc/apollofirstexample.Rmdhttps://stephanehess.r-universe.dev/articles/apollo/apollofirstexample.html