ggplot2 切工属性 qplot(carat,price,data dsmall,shape cut) 15000- qplot(carat,price,data dsmall,shape cut) cut ·Fair 10000- ■Very Good Premium Ideal 5000- 0 0.5 1.0 1.5 2.0 2.5 carat
qplot(carat, price, data = dsmall, shape = cut) qplot(carat, price, data = dsmall, shape = cut) ggplot2 I 切工属性
ggplot2 1 Alpha取值 qplot(carat,price,data diamonds,alpha =1(1/10)) qplot(carat,price,data diamonds,alpha =I(1/100)) qplot(carat,price,data diamonds,alpha =I(1/200)) 15000 15000 5000 5000 15000 carat 10000 5000 carat
qplot(carat, price, data = diamonds, alpha = I(1/10)) qplot(carat, price, data = diamonds, alpha = I(1/100)) qplot(carat, price, data = diamonds, alpha = I(1/200)) ggplot2 I Alpha取值
ggplot2 I 集合对象geom point:散点图 geom=“point'” smooth：平滑曲线和标准误 ·boxplot:箱线图 path、line:连线（曲线图、路径图） histogram:直方图 freqpoly:频率多边形 density:密度曲线 ·bar:柱状图（条形图)
ࢶpointғවᅩ• اٴຽsmoothғଘჶใᕚ• ࢶboxplotғᓟᕚ• • path̵lineғᬳᕚҁใᕚࢶ̵᪠ஆࢶ҂ ࢶhistogramғፗො• • freqpolyғ᷇ሲग़ᬟ୵ • densityғੂଶใᕚ • barғຶᇫࢶҁ୵ࢶ҂ geom = “point” ggplot2 I 集合对象 geom
ggplot2 1 平滑曲线 qplot(carat,price,data dsmall,geom c("point","smooth")) 2000 15000 10000 20000- 5000 15000- 0.5 1.0 1.5 carat 10000 5000 carat qplot(carat,price,data diamonds,geom c("point","smooth"))
qplot(carat, price, data = dsmall, geom = c("point", "smooth")) qplot(carat, price, data = diamonds, geom = c("point", "smooth")) ggplot2 I 平滑曲线
ggplot2 1 箱线图 qplot(color,price /carat,data diamonds,geom ="boxplot") 15000- 10000 5000 G H color
qplot(color, price / carat, data = diamonds, geom = "boxplot") ggplot2 I 箱线图