Ggplot2 Learning Notes (continuous update ...)

1. There are currently four types of themes

Theme_gray (), THEME_BW (), Theme_minimal (), Theme_classic ()

2. x-Axis Setting scale

Scale_x_continuous (Limits=c (1950,2000), Breaks=seq (1950,2000,5))

3. Bar & Line

Ggplot2 () +geom_bar (Aes (Y=x,fill=factor (GROUP.2)), stat="identity", position='  Dodge') +scale_x_continuous (Limits=c (38,50), Breaks=seq (38,50,1)) + geom_line (position=  "identity", AES (Y=X))

4. Ggplot-pie

Ggplot (Wm,aes (x="", Fill=type) + Geom_bar (width=1) + coord_polar (theta='y') ) + facet_wrap (~product.version) + Theme_gray ()

Ggplot2 Learning Notes (continuous update ...)