https://josesamos.r-universe.dev/flattablerhttps://josesamos.r-universe.dev/api/packages/flattablerhttps://josesamos.r-universe.dev/flattabler/flattabler.pdfhttps://josesamos.r-universe.dev/flattabler/doc/manual.htmlhttps://josesamos.r-universe.dev/flattabler/NEWShttps://josesamos.r-universe.dev/flattabler/NEWS.txthttps://josesamos.r-universe.dev/flattabler/citationhttps://josesamos.r-universe.dev/flattabler/citation.txthttps://josesamos.r-universe.dev/flattabler/citation.cffhttps://josesamos.r-universe.dev/flattabler/doc/flattabler.Rmdhttps://josesamos.r-universe.dev/articles/flattabler/flattabler.html