graph pie chart Orlaith Burke Philippe Rocca-Serra Alejandra Gonzalez-Beltran a pie chart is a graph in which a circular graph is divided into sector illustrating numerical proportion, meaning that the arc length of each sector (and consequently its central angle and area), is proportional to the quantity it represents. adapted from Wikipedia, last accessed [2014-03-05] http://en.wikipedia.org/wiki/Pie_chart pie(x, labels = names(x), edges = 200, radius = 0.8, clockwise = FALSE, init.angle = if(clockwise) 90 else 0, density = NULL, angle = 45, col = NULL, border = NULL, lty = NULL, main = NULL, ...) https://stat.ethz.ch/R-manual/R-devel/library/graphics/html/pie.html ready for release