https://mwillumz.r-universe.dev/RGreenplumhttps://mwillumz.r-universe.dev/api/packages/RGreenplumhttps://mwillumz.r-universe.dev/RGreenplum/RGreenplum.pdfhttps://mwillumz.r-universe.dev/RGreenplum/doc/manual.htmlhttps://mwillumz.r-universe.dev/RGreenplum/citationhttps://mwillumz.r-universe.dev/RGreenplum/citation.txthttps://mwillumz.r-universe.dev/RGreenplum/citation.cff