https://slee981.r-universe.dev/wsjplothttps://slee981.r-universe.dev/api/packages/wsjplothttps://slee981.r-universe.dev/wsjplot/wsjplot.pdfhttps://slee981.r-universe.dev/wsjplot/doc/manual.htmlhttps://slee981.r-universe.dev/wsjplot/NEWShttps://slee981.r-universe.dev/wsjplot/NEWS.txthttps://slee981.r-universe.dev/wsjplot/citationhttps://slee981.r-universe.dev/wsjplot/citation.txthttps://slee981.r-universe.dev/wsjplot/citation.cff