https://bpoconnor.r-universe.dev/NO.PING.PONGhttps://bpoconnor.r-universe.dev/api/packages/NO.PING.PONGhttps://bpoconnor.r-universe.dev/NO.PING.PONG/NO.PING.PONG.pdfhttps://bpoconnor.r-universe.dev/NO.PING.PONG/doc/manual.htmlhttps://bpoconnor.r-universe.dev/NO.PING.PONG/citationhttps://bpoconnor.r-universe.dev/NO.PING.PONG/citation.txthttps://bpoconnor.r-universe.dev/NO.PING.PONG/citation.cff