Hi, I am a student in Korea studying R. Now I'm trying to use ggplot2, but had some problems
I made a plot like this by COVID19 dataset by time
brks = time$date # break by single day g = ggplot(time, aes(x=date)) g = g + geom_line(aes(y=test), col = "orange") g = g + labs(title = "COVID19 time series") g = g + scale_x_date(breaks = brks) plot(g) g = g + geom_line(aes(y=confirmed), col = "red") g = g + geom_line(aes(y=negative), col = "green") g = g + geom_line(aes(y=deceased), col = "black") g = g + theme(axis.text.x = element_text(angle = 90, vjust = .5, size = 8), panel.grid.minor = element_blank()) gg = g + geom_text(aes(y=test, label = test), col = "black") + geom_text(aes(y=deceased, label = deceased), col = "black")
Here are my questions
- I want to show the numbers on my graph only the latest number, 234998.
- Is it possible that delete "year" in the x-axis remaining "month" and "day"?
- As far as I know, the legend in ggplot automatically appears when we set the color as a specific variable in a dataset. Then, how can I make it manually? If I'm wrong about the legend, then, how can I make appear my legend on my graph?