p+coord_cartesian(xlim=c(5, 20), ylim=c(0, 50)):笛卡尔坐标系，这是设定修改不会删除数据 p+scale_x_log10(),p+scale_y_log10(): 绘图时对x，y取10的对数 p+scale_x_sqrt(),p ...

See chart of available shapes. Create basic line graph Line graph + geom_line() This is added to the basic ggplot object. Create line graph with lines of different colors by category Line graph ...

ggplot2 is not only the R language’s most popular data visualization package, it is also an ecosystem. Numerous add-on packages give ggplot added power to do everything from more easily changing ...

The ggplot2 data visualization R package is extremely powerful and flexible. However, it’s not always easy to remember how to do every task – especially if you’re not a frequent user.