https://kevinds100.r-universe.dev/diagL1https://kevinds100.r-universe.dev/api/packages/diagL1https://kevinds100.r-universe.dev/diagL1/diagL1.pdfhttps://kevinds100.r-universe.dev/diagL1/doc/manual.htmlhttps://kevinds100.r-universe.dev/diagL1/citationhttps://kevinds100.r-universe.dev/diagL1/citation.txthttps://kevinds100.r-universe.dev/diagL1/citation.cff