Chapter 5
How the GTL Plot Statements are
Categorized
Plot Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Overview of the Plot Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Computed Plots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Parameterized Plots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Stand-Alone Plots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Dependent Plots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
2-D Plots and 3-D Plots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Plot Categories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Additional Plot Category: the Primary Plot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Plot Types
Overview of the Plot Types
In the GTL, the following types are used to describe the plots:
computed plot
parameterized plot
stand-alone plot
dependent plot
2-D plot
3-D plot
The following sections describe these types.
Computed Plots
Computed plots internally perform computational transformations on the input data and
add new columns to a data object as needed in order to render the requested plot. For
example, a LOESSPLOT statement requires two numeric columns of raw input data
(X=column and Y=column). A loess fit line is computed for these input point pairs, a
new set of points on a fit line is generated, and a new column that contains the computed
points is added to the data object. A smoothed line is drawn through the computed
points. Several options are available for most computed plots that enable you to control
the computation that is performed.
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