https://richardgeveritt.r-universe.dev/ggsmchttps://richardgeveritt.r-universe.dev/api/packages/ggsmchttps://richardgeveritt.r-universe.dev/ggsmc/ggsmc.pdfhttps://richardgeveritt.r-universe.dev/ggsmc/doc/manual.htmlhttps://richardgeveritt.r-universe.dev/ggsmc/NEWShttps://richardgeveritt.r-universe.dev/ggsmc/NEWS.txthttps://richardgeveritt.r-universe.dev/ggsmc/citationhttps://richardgeveritt.r-universe.dev/ggsmc/citation.txthttps://richardgeveritt.r-universe.dev/ggsmc/citation.cffhttps://richardgeveritt.r-universe.dev/ggsmc/doc/Visualising.Rmdhttps://richardgeveritt.r-universe.dev/articles/ggsmc/Visualising.html