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Parallel Coordinates Plot
The parallel coordinates plot shows a single line (a set of
connected segments) for each case. Each case is shown using the
color and glyph of the corresponding point in the main plotting
window.
Show cases menu:
You may either show the line for each case, or you may choose
to show only the cases you label in Identify.
Variable scales menu:
Either scale all variables (or variable groups) using a common
scale, or scale each variable independently. If a common scale
is used, tick marks will be drawn on the leftmost axis.
Double buffer:
In double buffering, drawing is done offscreen, and the final
drawing is copied to the screen. This results in much smoother
transitions, without flicker, but it can be prohibitively slow
if thousands of lines are being drawn.
Display
You can choose independently whether to have the points and the
lines drawn in the case profile window.
You may also decline to have the vertical coordinates drawn,
if you find them cluttering the screen.
Or you may choose to add horizontal gridlines to help you
in estimating values; this only applies when a common scale
is used.
Link
By default, this window is linked to the plotting window for
brushing and identification. if you're looking at all profiles
and you have many many points, you might want to unlink it,
because it can get quite slow.
Display Missings
Display missings (or imputed values) or leave them out. This
can provide an interesting view of the distribution of the
missing values.
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