https://aalfons.r-universe.dev/ccaPPhttps://aalfons.r-universe.dev/api/packages/ccaPPhttps://aalfons.r-universe.dev/ccaPP/ccaPP.pdfhttps://aalfons.r-universe.dev/ccaPP/doc/manual.htmlhttps://aalfons.r-universe.dev/ccaPP/NEWShttps://aalfons.r-universe.dev/ccaPP/NEWS.txthttps://aalfons.r-universe.dev/ccaPP/citationhttps://aalfons.r-universe.dev/ccaPP/citation.txthttps://aalfons.r-universe.dev/ccaPP/citation.cffhttps://aalfons.r-universe.dev/ccaPP/doc/ccaPP-intro.Rnwhttps://aalfons.r-universe.dev/articles/ccaPP/ccaPP-intro.pdf