"My interpretation of [Leland Wilkinson’s] grammar [of statistical graphics]: —Data is the most…"

My interpretation of [Leland Wilkinson’s] grammar [of statistical graphics]:

—Data is the most important thing, and the thing that you bring to the table.

—Geometric objects … what you actually see on the plot: points, lines, polygons, etc.

—Statistics transform the data in many useful ways. For example, binning and counting to create a histogram….

—Scales map values in the data space to values in an aesthetic space, whether it be colour, or size, or shape. Scales also provide an inverse mapping: a legend.

—A coordinate system describes how data coordinates are mapped to the plane of the graphic. It also provides axes and gridlines to make it possible to read the graph.

— A facetting, or conditioning, speci

Tags: chart, Data, data exploration, econometrics, Exploratory Data Analysis, ggplot, ggplot2, graphics, Hadley Wickham, heroes, Leland Wilkinson, plot, R, Statistical graphics, statistics, visualisation