new = TRUE argument within the call to
Plot.
Sometimes, the metadata of a previous plot will prevent correct plotting of
a new Plot call.
Use clearPlot to clear the device and all the associated metadata
manually.
clearPlot(dev = dev.cur(), removeData = TRUE)
"clearPlot"(dev = dev.cur(), removeData = TRUE)
"clearPlot"(dev)
"clearPlot"(removeData)
"clearPlot"(dev = dev.cur(), removeData = TRUE).spadesEnv should also be removed; i.e., not just the plot window wiped.