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.