https://sjmack.r-universe.dev/pouldhttps://sjmack.r-universe.dev/api/packages/pouldhttps://sjmack.r-universe.dev/pould/pould.pdfhttps://sjmack.r-universe.dev/pould/doc/manual.htmlhttps://sjmack.r-universe.dev/pould/NEWShttps://sjmack.r-universe.dev/pould/NEWS.txthttps://sjmack.r-universe.dev/pould/citationhttps://sjmack.r-universe.dev/pould/citation.txthttps://sjmack.r-universe.dev/pould/citation.cffhttps://sjmack.r-universe.dev/pould/doc/pould.Rmdhttps://sjmack.r-universe.dev/articles/pould/pould.html