https://stmcg.r-universe.dev/estmeansdhttps://stmcg.r-universe.dev/api/packages/estmeansdhttps://stmcg.r-universe.dev/estmeansd/estmeansd.pdfhttps://stmcg.r-universe.dev/estmeansd/doc/manual.htmlhttps://stmcg.r-universe.dev/estmeansd/NEWShttps://stmcg.r-universe.dev/estmeansd/NEWS.txthttps://stmcg.r-universe.dev/estmeansd/citationhttps://stmcg.r-universe.dev/estmeansd/citation.txthttps://stmcg.r-universe.dev/estmeansd/citation.cff