The following tables list the XCHART statement options by function. Options unique to the CUSUM procedure are listed in Table 6.1, and are described in detail in the section Dictionary of Special Options. Options that are common to both the CUSUM and SHEWHART procedures are listed in Table 6.2. They are described in detail in Dictionary of Options: SHEWHART Procedure.
Table 6.1: XCHART Statement Special Options
Option 
Description 

Options for Specifying a OneSided (Decision Interval) Cusum Scheme 

specifies shift to be detected as a multiple of standard error 

specifies decision interval h (h > 0) as a multiple of standard error 

specifies headstart value as a multiple of standard error 

specifies reference value k (k > 0) 

specifies fixed nominal sample size for cusum scheme 

specifies that cusums are to be computed for all subgroups regardless of sample size 

specifies target for mean 

specifies that cusum parameters are not to be read from LIMITS= data set (SAS 6.10 and later releases) 

reads cusum scheme parameters from a LIMITS= data set 

specifies that cusum parameters are to be read from LIMITS= data set (SAS 6.09 and earlier releases) 

specifies a onesided scheme 

specifies shift to be detected in data units 

specifies standard (known) value for process standard deviation 

Options for Specifying a TwoSided (VMask) Cusum Scheme 

specifies probability of Type 1 error 

specifies probability of Type 2 error 

specifies vertical distance between Vmask origin and upper (or lower) arm 

specifies slope of lower arm of Vmask 

specifies fixed nominal sample size for cusum scheme 

specifies that cusums are to be computed for all subgroups regardless of sample size 

specifies that cusum parameters are not to be read from LIMITS= data set (SAS 6.10 and later releases) 

reads cusum scheme parameters from a LIMITS= data set 

specifies that cusum parameters are to be read from LIMITS= data set (SAS 6.09 and earlier releases) 

reads 

specifies probability of Type 1 error as probability that standard normally distributed variable exceeds value in absolute value 

Options for Estimating Process Standard Deviation 

specifies method for estimating process standard deviation 

identifies whether 

Options for Displaying Decision Interval or VMask 

specifies color for area under decision interval line or inside Vmask 

specifies color of decision interval line 

specifies color of Vmask outline 

specifies line type for decision interval 

specifies line type for Vmask arms 

suppresses display of Vmask 

specifies value of subgroupvariable locating origin of Vmask 

specifies line width for decision interval 

specifies line width for Vmask 

Tabulation Options 

specifies the options TABLECHART, TABLECOMP, TABLEID, TABLEOUT, and TABLESUMMARY 

tabulates the information displayed in the cusum chart 

tabulates the computational form of the cusum scheme as described by Lucas (1976) and Lucas and Crosier (1982) 

augments TABLECHART and TABLECOMP tables with columns for ID variables 

augments TABLECHART table with a column indicating if the decision interval or Vmask was exceeded 

tabulates the parameters for the cusum scheme and the average run lengths corresponding to shifts of zero and 
Table 6.2: XCHART Statement General Options
Option 
Description 

Options for Plotting and Labeling Points 

labels every point on cusum chart 

labels every point on trend chart 

specifies color for labels 

specifies color for line segments that connect points on chart 

specifies fill color for frame around labeled points 

specifies color for portions of line segments that connect points outside control limits 

specifies color for shading areas between the connected points and control limits outside the limits 

specifies angle at which labels are drawn 

specifies software font for labels 

specifies height of labels 

suppresses line segments that connect points on chart 

suppresses line segments that connect points on trend chart 

labels points outside control limits 

specifies LEGEND statement for levels of symbolvariable 

specifies order in which symbols are assigned for levels of symbolvariable 

turns point labels so that they are strung out vertically 

Axis and Axis Label Options 

specifies color for axis lines and tick marks 

specifies fill colors for frame for plot area 

specifies color for tick mark values and axis labels 

produces horizontal axis for discrete numeric group values 

specifies major tick mark values for horizontal axis 

specifies height of axis label and axis legend text 

specifies number of minor tick marks between major tick marks on horizontal axis 

specifies length of offset at both ends of horizontal axis 

specifies first major tick mark value on horizontal axis when a date, time, or datetime format is associated with numeric subgroup variable 

suppresses label for horizontal axis 

specifies that only the first occurrence of repeated, adjacent subgroup values is to be labeled on horizontal axis 

requests vertical axis labels that are strung out vertically 

specifies thinning factor for tick mark labels on horizontal axis 

specifies splitting character for axis labels 

requests horizontal axis labels that are strung out vertically 

specifies major tick mark values for vertical axis of cusum chart 

specifies major tick mark values for vertical axis of trend chart 

specifies format for primary vertical axis tick mark labels 

specifies format for secondary vertical axis tick mark labels 

specifies number of minor tick marks between major tick marks on vertical axis 

specifies length of offset at both ends of vertical axis 

specifies width of axis lines 

Plot Layout Options 

plots means for all subgroups 

creates control charts using halfscreens and halfpages 

creates control charts for a process only when exceptions occur 

natural time interval between consecutive subgroup positions when time, date, or datetime format is associated with a numeric subgroup variable 

maximum number of pages or screens for chart 

requests special markers for points corresponding to sample sizes not equal to nominal sample size for fixed control limits 

suppresses creation of chart 

suppresses frame for plot area 

suppresses legend for subgroup sample sizes 

specifies number of subgroup positions per panel on each chart 

repeats last subgroup position on panel as first subgroup position of next panel 

specifies number of pages or screens to be used to display chart 

specifies list of trend variables 

specifies length of vertical axis on cusum chart as a percentage of sum of lengths of vertical axes for cusum and trend charts 

Reference Line Options 

specifies color for lines requested by HREF= and HREF2= options 

specifies color for lines requested by VREF= and VREF2= options 

specifies position of reference lines perpendicular to horizontal axis on cusum chart 

specifies position of reference lines perpendicular to horizontal axis on trend chart 

specifies position of reference lines perpendicular to horizontal axis on cusum chart 

specifies position of reference lines perpendicular to horizontal axis on trend chart 

specifies labels for HREF= lines 

specifies labels for HREF2= lines 

specifies position of HREFLABELS= and HREF2LABELS= labels 

specifies line type for HREF= and HREF2= lines 

specifies line type for VREF= and VREF2= lines 

specifies that reference line information in a data set applies uniformly to charts created for all BY groups 

specifies position of reference lines perpendicular to vertical axis on cusum chart 

specifies position of reference lines perpendicular to vertical axis on trend chart 

specifies labels for VREF= lines 

specifies labels for VREF2= lines 

position of VREFLABELS= and VREF2LABELS= labels 

Grid Options 

specifies color for grid requested with GRID or ENDGRID option 

adds grid after last plotted point 

adds grid to control chart 

specifies line type for grid requested with the ENDGRID option 

specifies line type for grid requested with the GRID option 

specifies width of grid lines 

Graphical Enhancement Options 

specifies annotate data set that adds features to cusum chart 

specifies annotate data set that adds features to trend chart 

specifies description of cusum chart’s GRSEG catalog entry 

specifies software font for labels and legends on charts 

specifies name of cusum chart’s GRSEG catalog entry 

specifies the form of the label used in pagination 

specifies the position of the page number requested with the PAGENUM= option 

specifies width of line segments connecting points on trend chart 



Options for Producing Graphs Using ODS Styles 

specifies one or more variables whose values define colors for filling background of blockvariable legend 

draws a frame around labeled points 

draw portions of line segments that connect points outside control limits in a contrasting color 

specifies that portions of stars exceeding inner or outer circles are drawn using a different color 

shades areas between control limits and connected points lying outside the limits 

specifies a variable identfying groups of stars filled with different colors 

specifies a variable identfying groups of stars whose outlines are drawn with different colors 



Options for ODS Graphics 

specifies the wall fill transparency for blocks and phases 

specifies the control limit infill transparency 

plots subgroup points with markers 

suppresses block and phase reference lines 

suppresses block and phase wall fills 

suppresses legend for levels of a STARFILL= variable 

suppresses block and phase reference lines 

suppresses block and phase wall fills 

suppresses block and phase reference lines 

suppresses block and phase wall fills 

suppresses legend for levels of a STARFILL= variable 

disables transparency in ODS Graphics output 

specifies a graph footnote 

specifies a secondary graph footnote 

specifies that legend entries contain all levels observed in the data 

specifies a graph title 

specifies a secondary graph title 

specifies control limit outfill transparency 

specifies URLs to associate with overlay points 

specifies URLs to associate with overlay points on secondary chart 

specifies vertical position of phase legend 

associates phase and block reference lines with either innermost or the outermost level 

specifies the wall fill transparency for blocks and phases 

specifies the wall fill transparency for blocks and phases 

draws central line labels using a simulated software font 

specifies star fill transparency 

specifies a variable whose values are URLs to be associated with subgroups 

specifies a variable whose values are URLs to be associated with subgroups on secondary chart 

Input Data Set Options 

specifies that observations with missing values are not to be processed 

Output Data Set Options 

creates output data set containing subgroup summary statistics 

specifies value of 

creates output data set containing control limits 

creates output data set containing subgroup summary statistics and control limits 

Specification Limit Options 

specifies value and type for computing capability index confidence limits 

specifies list of lower specification limits 

specifies list of target values 

specifies list of upper specification limits 



Block Variable Legend Options 

specifies position of label for blockvariable legend 

specifies text size of blockvariable legend 

specifies vertical position of blockvariable legend 

repeats identical consecutive labels in blockvariable legend 

specifies fill colors for frames enclosing variable labels in blockvariable legend 

specifies one or more variables whose values are colors for filling background of blockvariable legend 

Phase Options 

specifies text color for phase legend 

specifies value of 

disconnects last point in a phase from first point in next phase 

specifies text size of phase legend 

displays phase labels in a legend across top of chart 

labels control limits for each phase, provided they are constant within that phase 

delineates phases with vertical reference lines 

specifies phases to be read from an input data set 

Star Options 

specifies color for STARCIRCLES= circles 

specifies color for filling stars 

specifies outline color for stars exceeding inner or outer circles 

specifies color for outlines of stars 

specifies line types for STARCIRCLES= circles 

specifies line types for outlines of STARVERTICES= stars 

specifies radius of outer bound circle for vertices of stars 

specifies reference circles for stars 

specifies inner radius of stars 

specifies vertices to be labeled 

specifies style of legend for star vertices 

specifies label for STARLEGEND= legend 

specifies outer radius of stars 

specifies method used to standardize vertex variables 

specifies angle for first vertex 

specifies graphical style of star 

superimposes star at each point on cusum chart 

specifies width of STARCIRCLES= circles 

specifies width of STARVERTICES= stars 

Options for Interactive Control Charts 

specifies a variable whose values create links to be associated with subgroups 

specifies variable whose values create links to be associated with subgroups on secondary chart 

specifies a variable whose values create links to be associated with symbols in the symbol legend 

creates an OUTTABLE= data set with additional graphics coordinate data 

Options for Line Printer Charts 

specifies character used to form line segments that connect points on chart 

specifies line character for HREF= and HREF2= lines 

specifies characters indicating symbolvariable 

specifies line character for VREF= and VREF2= lines 