A.21 graphics Package

다음의 함수들이 흔히 사용된다.

par        # graphic option setting
plot       # basic plot function
barplot    # bar chart
hist       # histogram
stripchart # strip chart
points     # plot points additionally
lines      # plot lines additionally
abline     # straight line
legend     # add legend
pairs      # pairs plotting
matplot    # matrix plot, multiple lines (y's) for one x
matlines   # plot matrix lines additionally
title      # title of the figure on a device
axis       # axis plot
arrows     # arrows plot

ggplot2 package를 사용하면 더 미려한 graph를 얻을 수 있다.