/SCATPLOT <data> / K.Vehkalahti
creates a scatterplot matrix of active variables in the data set <data>.
The graphical view consists of ordinary scatter diagrams (see SCAT?)
which are plotted in their own windows (see GPLOT?). The windows are
organized by a special layout file which is created dynamically based on
the number of active variables. Each scatter diagram window can be freely
moved, resized, minimized, maximized, and even deleted by using the mouse.
By clicking the EXIT button of the graphical view, all windows are deleted,
and the control returns to the edit field. The sucro gives the user a ready
made work field, where various specifications can be modified, and the
pictures then easily re-produced by one sucro command.
All specifications of scatter diagrams may be used in the work field, and
many of them may be given even beforehand when the sucro is started, namely
POINT, TREND, CONTOUR, XDIV, YDIV, SIZE, MODE, PEN, and LINETYPE.
The sucro then brings these into the GLOBAL part of the work field.
The default setting follows the defaults of the scatter diagrams.
Additional specifications on the next page!
Additional specifications of /SCATPLOT:
JITTER=k
Discrete variables (with at most k distinct values) are randomized
uniformly around the true values within a total interval (jitter step) of
(max-min)/(h-1) where h is the number of distinct values. This option is
exactly the same as in the draftsman's display (see DRAFTS?). The actual
jitter steps are found by the MINSTAT operation (see MINSTAT?), and the
plotting is achieved by using the XJITTER and YJITTER specifications of
GPLOT (see XJITTER?).
LOWESS=<smooth_level>
A LOcally WEighted Scatterplot Smooth (see LOWESS?) is added to each
graph with the given <smooth_level>. The value 1 corresponds to the
default value of LOWESS operation.
SHOW=0
By SHOW=0 the work field is created but the graphs are not automatically
plotted. (By default SHOW=1 is used.)
P = More information on composite plots
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