3. Graphics

Sigbert Klinke
28 July 2004

The XploRe graphics support has different levels which are described here. The levels correspond to the ease of use for different types of users.

• the graphical tools
  These routines are high-end-level tools for the beginner and possibly inexperienced user. The aim of the graphic toolbox of XploRe is to allow automatic creation of highly illustrative graphics over a wide range of data types. Examples are plotandrews for plotting Andrews curves, plotstar for star plots. Most plot tools are automatic or the user will be asked interactively for the parameters.
• the graphical primitives
  Graphical primitives are the typical graphics used in data analysis. Examples are boxplots, scatter plots, Andrews curves. This includes some routines for manipulation. The aim of these primitives is to ease the construction of user designed graphics. Graphical primitives may be changed by the user. Boxplots for example exist in large variety: some boxplot species mark outliers in a specific way, others do not.
• the graphical commands
  These commands are the building blocks of highly complex graphics. For an overview of construction and manipulation of simple graphics see the following sections. Some basic commands are described here.

The first two levels are reflected in the names of the quantlets. Quantlets starting with gr... are routines that are part of the graphic library. The aim is to generate and manipulate graphical primitives. Quantlets starting with plot... are routines from the graphical toolbox and part of the plot library.