search for: nothijg

Hi I am having a problem with plot () and ggplot (). When I call one of these functions, the plotting area starts to look as though it is working, but nothijg ever is visible. Unless it was a dendrogram. Woth the bar chart, the plotting area just had an x and y axis and nothing else. I tried a bar chart with ggplot and i tried to plot a tree result from rpart (). I couldnt see anything plotted. Is there some way I should be troubleshooting this? Im...