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SHEWHART Procedure

• The OVERLAY= option specifies variables to be plotted as overlays on the primary control chart.

• The COVERLAY= option specifies the colors used to plot overlay variables on the primary chart.

• The CCOVERLAY= option specifies colors for the line segments connecting points on primary chart overlays.

• The LOVERLAY= option specifies line types for the line segments connecting points on primary chart overlays.

• The OVERLAYHTML= option specifies uniform resource locators (URLs) to be associated with points on primary chart overlays.

• The OVERLAYSYM= option specifies symbols used to plot overlays on the primary chart.

• The OVERLAYSYMHT= option specifies the heights of symbols used to plot overlays on the primary chart.

• The WOVERLAY= option specifies the widths in pixels of the line segments connecting points on primary chart overlays.

• The OVERLAY2= option specifies variables to be plotted as overlays on a secondary control chart.

• The COVERLAY2= option specifies the colors used to plot overlay variables on the secondary chart.

• The CCOVERLAY2= option specifies colors for the line segments connecting points on secondary chart overlays.

• The LOVERLAY2= option specifies line types for the line segments connecting points on secondary chart overlays.

• The OVERLAY2HTML= option specifies URLs to be associated with points on secondary chart overlays.

• The OVERLAY2SYM= option specifies symbols used to plot overlays on the secondary chart.

• The OVERLAY2SYMHT= option specifies the heights of symbols used to plot overlays on the secondary chart.

• The WOVERLAY2= option specifies the widths in pixels of the line segments connecting points on secondary chart overlays.

• The OVERLAYLEGLAB= option specifies the label displayed to the left of the overlay legend.

• The COVERLAYCLIP= option specifies the color used to plot clipped values on overlay plots.

• The OVERLAYCLIPSYM= option specifies the symbol used to plot clipped values on overlay plots.

• The OVERLAYCLIPSYMHT= option specifies the height of the symbol used to plot clipped values on overlay plots.

• The NOOVERLAYLEGEND option suppresses the legend for overlay plots.

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