Multiple y axis for bar plot and line graph using ggplot
问题 I have some transpiration data from an experiment that I would like to show as a time series on a line graph using R. I also have some precipitation data which I would like to show on the same graph as a bar plot. I've been able to do this using R's base program, but I'd like to do this in ggplot. I've searched everywhere and I know that the designers aren't too fond of making graphs this way so it's tough, but I have seen it done with multiple line graphs/scatter plots using two y axis. Can