R plot dynamic wind direction as arrow over time
问题 I want to plot the wind over a very long time,thus a dynamic plot is a nice choice for others to choose the time range. And I want to display the wind direction as arrows ; wind speed could be line . But it will be messy if I add arrows to every line above, and it seems hard to add more date to x axis. What the final result I want to get is like this: Is it possible to plot the wind-arrow plot in R? Plus: here is the demo data for plot structure(list(date = c("2016-04-01", "2016-04-01", "2016