ggplot2 improves the graphics drawn with R. A (very) short adaptation time is needed to find how to make graphs equivalent to the ones of graphics. For example, to draw the curve of a function, there is no function similar to curve(). You have to use qplot() by setting the stat and geom arguments as



Zero Inflated Models and Generalized Linear Mixed Models with R.
Zuur, Saveliev, Ieno (2012).