https://tmsalab.r-universe.dev/errumhttps://tmsalab.r-universe.dev/api/packages/errumhttps://tmsalab.r-universe.dev/errum/errum.pdfhttps://tmsalab.r-universe.dev/errum/doc/manual.htmlhttps://tmsalab.r-universe.dev/errum/NEWShttps://tmsalab.r-universe.dev/errum/NEWS.txthttps://tmsalab.r-universe.dev/errum/citationhttps://tmsalab.r-universe.dev/errum/citation.txthttps://tmsalab.r-universe.dev/errum/citation.cff