[R] ggplot2: line plot with gaps in time axis

Hello, I'm trying to plot data that has gaps in the timeline because my data only has the business day in it. When I do a line plot I get the data and then a blank area where a line goes the tail of the last data point to the head of the next data point. Is there a way I can do a line plot where

[R] ggplot2: Changes to grobs not saved to file output

Hello, Maybe I missed something - most likely .:-( I create a gplot and then makes some changes to the plot using grid graphics functions. These changes show up on the display OK, but when I save using ggsave() the grid changes do not show up. How do I save the plot with these changes? Thank