https://jmanitz.r-universe.dev/samplingbookhttps://jmanitz.r-universe.dev/api/packages/samplingbookhttps://jmanitz.r-universe.dev/samplingbook/samplingbook.pdfhttps://jmanitz.r-universe.dev/samplingbook/doc/manual.htmlhttps://jmanitz.r-universe.dev/samplingbook/citationhttps://jmanitz.r-universe.dev/samplingbook/citation.txthttps://jmanitz.r-universe.dev/samplingbook/citation.cffhttps://jmanitz.r-universe.dev/samplingbook/doc/Sprop-remarks.Rmdhttps://jmanitz.r-universe.dev/articles/samplingbook/Sprop-remarks.html