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Allegro CL version 8.2
This page is new in 8.2.


Arguments: plot-view

Returns the draw-regression-lines property of a plot-view object, which is associated with a plot-widget control. The value may be set at creation time by passing the :draw-regression-lines initarg to make-instance, or any time later by calling (setf draw-regression-lines).

This is a boolean value (nil or true) indicating whether to draw a regression line for each of the chart-objects of the plot-widget. When drawn, each regression line will be a straight line segment that minimizes the sum of the squares of vertical distances between the plotted points for one chart object and the regression line itself. The default value is nil, and so no regression lines are drawn by default.

The line styles that are used to draw the regression lines may be specified with the regression-line-colors, regression-line-dashings, and regression-line-widths properties.

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This page is new in the 8.2 release.
Created 2016.6.21.

Allegro CL version 8.2
This page is new in 8.2.