https://functionaldata.r-universe.dev/sitemap_universe.xmlhttps://functionaldata.r-universe.dev/fdaconcur/sitemap.xmlhttps://functionaldata.r-universe.dev/fdadensity/sitemap.xmlhttps://functionaldata.r-universe.dev/fdapace/sitemap.xmlhttps://functionaldata.r-universe.dev/fdarep/sitemap.xmlhttps://functionaldata.r-universe.dev/frechet/sitemap.xml