https://courtiol.r-universe.dev/timevarcorrhttps://courtiol.r-universe.dev/api/packages/timevarcorrhttps://courtiol.r-universe.dev/timevarcorr/timevarcorr.pdfhttps://courtiol.r-universe.dev/timevarcorr/doc/manual.htmlhttps://courtiol.r-universe.dev/timevarcorr/NEWShttps://courtiol.r-universe.dev/timevarcorr/NEWS.txthttps://courtiol.r-universe.dev/timevarcorr/citationhttps://courtiol.r-universe.dev/timevarcorr/citation.txthttps://courtiol.r-universe.dev/timevarcorr/citation.cff