SGPANEL Procedure

STEP Statement

Creates a step plot.
Restriction: The vertical axis that is used with the STEP statement cannot be a discrete axis.
About Step Plots

Syntax

STEP X= variable Y= numeric-variable < / option(s)>;

Summary of Optional Arguments

Group options
specifies the width of the group clusters as a fraction of the midpoint spacing.
specifies a variable that is used to group the data.
specifies how to display grouped step lines.
specifies the ordering of step lines within a group.
specifies that missing values of the group variable are not included in the plot.
Label options
adds a label for the curve.
specifies the appearance of the labels in the plot when you use the CURVELABEL= option.
specifies the location of the curve label.
displays a label for each data point.
specifies the appearance of the labels in the plot when you use the DATALABEL= option.
Marker options
specifies the appearance of the markers in the plot.
adds markers to the step plot data points.
Plot options
specifies the value of the ID variable in an attribute map data set.
specifies a label that identifies the step plot in the legend.
specifies a name for the plot.
specifies the degree of transparency for the lines.
specifies a character variable that contains URLs for Web pages to be displayed when parts of the plot are selected within an HTML page.
Step options
creates a break in the line for each missing value.
specifies an amount to offset all step lines from discrete X values.
specifies the appearance of the error bars in the plot.
specifies the location of each step relative to its data point.
specifies the appearance of the step line.
specifies a variable that contains the lower endpoints for the Y error bars.
specifies a variable that contains the upper endpoints for the Y error bars.

Required Arguments

X= variable
specifies the variable for the x axis.
Y= numeric-variable
specifies the variable for the y axis.

Optional Arguments

ATTRID= variable
specifies the value of the ID variable in an attribute map data set. You specify this option only if you are using an attribute map to control visual attributes of the graph. For more information, see Using SG Attribute Maps to Control Visual Attributes.
BREAK
creates a break in the line for each missing value.
CLUSTERWIDTH= numeric-value
specifies the width of the group clusters as a fraction of the midpoint spacing. Specify a value from 0.0 (narrowest) to 1.0 (widest).
Default:0.8
Interaction:This option is applicable only when the GROUP option is specified, when GROUPDISPLAY=CLUSTER, and when the category axis is discrete.
CURVELABEL <=“text-string”>
adds a label for the curve. You can also specify the label text. If you do not specify a label, the label from the Y variable is used.
CURVELABELATTRS= style-element <(options)> | (options)
specifies the appearance of the labels in the plot when you use the CURVELABEL= option. You can specify the appearance by using a style element or by using suboptions. If you specify a style element, you can also specify suboptions to override specific appearance attributes.
Here is an example that specifies a style element: CURVELABELATTRS=GraphTitleText
options can be one or more of the following:
COLOR= color
specifies the color of the line label characters. You can specify colors using the same color schemes that are supported by SAS/GRAPH software. For more information, see Color-Naming Schemes in SAS/GRAPH: Reference.
Default:For ungrouped data, the default color is specified by the Color attribute of the GraphValueText style element in the current style. For grouped data, the default color is specified by the ContrastColor attribute of the GraphData1 ... GraphDatan style elements in the current style.
FAMILY= “font-family
specifies the font family for the label characters. The SAS ODS styles use TrueType system fonts. For more information, see TrueType Fonts Supplied by SAS in SAS Language Reference: Concepts.
Default:The default font family is specified by the FontFamily attribute of the GraphValueText style element in the current style.
Restriction:You cannot specify a list of font family names.
SIZE= n <units>
specifies the font size of the label characters. You can also specify the unit of measurement. The default unit is pixels. For a list of measurement units that are supported, see Units of Measurement.
Default:The default font size is specified by the FontSize attribute of the GraphValueText style element in the current style.
STYLE= ITALIC | NORMAL
specifies whether the label characters are italic or normal.
Default:The default font style is specified by the FontStyle attribute of the GraphValueText style element in the current style.
WEIGHT= BOLD | NORMAL
specifies whether the label characters are bold or normal.
Default:The default font weight is specified by the FontWeight attribute of the GraphValueText style element in the current style.
Here is an example expression:
CURVELABELATTRS=(Color=Green Family=Arial Size=8 Style=Italic Weight=Bold)
Default:The default style element is GraphValueText.
Interaction:This option has no effect unless the CURVELABEL option is also specified.
CURVELABELPOS= MIN | MAX | START | END
specifies the location of the curve label. Specify one of the following values:
MIN
places the label at the part of the curve closest to the minimum X axis value.
MAX
places the label at the part of the curve closest to the maximum X axis value.
START
places the curve label at the first point on the curve.
END
places the curve label at the last point on the curve.
Default:END
Interaction:This option has no effect unless the CURVELABEL option is also specified.
DATALABEL <= variable>
displays a label for each data point. If you specify a variable, the values of that variable are used for the data labels. If you do not specify a variable, then the values of the Y variable are used for the data labels.
DATALABELATTRS= style-element <(options)> | (options)
specifies the appearance of the labels in the plot when you use the DATALABEL= option. You can specify the appearance by using a style element or by using suboptions. If you specify a style element, you can also specify suboptions to override specific appearance attributes.
Here is an example that specifies a style element: DATALABELATTRS=GraphLabelText
options can be one or more of the following:
COLOR= color
specifies the color of the label characters. You can specify colors using the same color schemes that are supported by SAS/GRAPH software. For more information, see Color-Naming Schemes in SAS/GRAPH: Reference.
Default:For ungrouped data, the default color is specified by the Color attribute of the GraphDataText style element in the current style. For grouped data, the default color is specified by the ContrastColor attribute of the GraphData1 ... GraphDatan style elements in the current style.
FAMILY= “font-family
specifies the font family for the label characters. The SAS ODS styles use TrueType system fonts. For more information, see TrueType Fonts Supplied by SAS in SAS Language Reference: Concepts.
Default:The default font family is specified by the FontFamily attribute of the GraphDataText style element in the current style.
SIZE= n <units>
specifies the font size of the label characters. You can also specify the unit of measurement. The default unit is pixels. For a list of measurement units that are supported, see Units of Measurement.
Default:The default font size is specified by the FontSize attribute of the GraphDataText style element in the current style.
STYLE= ITALIC | NORMAL
specifies whether the label characters are italic (ITALIC) or normal (NORMAL).
Default:The default font style is specified by the FontStyle attribute of the GraphDataText style element in the current style.
WEIGHT= BOLD | NORMAL
specifies whether the label characters are bold (BOLD) or normal (NORMAL).
Default:The default font weight is specified by the FontWeight attribute of the GraphDataText style element in the current style.
Here is an example expression:
DATALABELATTRS=(Color=Green Family=Arial Size=8 Style=Italic Weight=Bold)
Default:The default style element is GraphDataText.
Interaction:This option has no effect unless the DATALABEL option is also specified.
DISCRETEOFFSET= numeric-value
specifies an amount to offset all step lines from discrete X values. Specify a value from -0.5 (left offset) to +0.5 (right offset).
Default:0.0 (no offset)
Requirement:This option is applicable only when the X axis is discrete.
ERRORBARATTRS= style-element <(options)> | (options)
specifies the appearance of the error bars in the plot. You can specify the appearance by using a style element or by using suboptions. If you specify a style element, you can also specify suboptions to override specific appearance attributes.
options can be one or more of the following:
COLOR= color
specifies the color of the line. You can specify colors using the same color schemes that are supported by SAS/GRAPH software. For more information, see Color-Naming Schemes in SAS/GRAPH: Reference.
Default:The default color is specified by the ContrastColor attribute of the GraphError style element in the current style.
PATTERN= line-pattern
specifies the line pattern for the line. You can reference SAS patterns by number or by name. For a list of line patterns, see Line Patterns.
Default:The default line pattern is specified by the LineStyle attribute of the GraphError style element in the current style.
THICKNESS= n <units>
specifies the thickness of the line. You can also specify the unit of measure. The default unit is pixels. For a list of measurement units that are supported, see Units of Measurement.
Default:The default line thickness is specified by the LineThickness attribute of the GraphError style element in the current style.
GROUP= variable
specifies a variable that is used to group the data. The plot elements for each group value are automatically distinguished by different visual attributes.
GROUPDISPLAY= CLUSTER | OVERLAY
specifies how to display grouped step lines.
CLUSTER
grouped items are drawn adjacent to each other.
OVERLAY
grouped items are drawn at the exact coordinate and might overlap. Each group is represented by unique visual attributes derived from the GraphData1... GraphDatan style elements in the current style.
Default:OVERLAY
Restriction:GROUPDISPLAY=CLUSTER can take effect only when the category axis is discrete. If necessary, use a TYPE=DISCRETE option on the axis statement.
Interaction:This option is ignored unless GROUP= is specified.
GROUPORDER= ASCENDING | DESCENDING | DATA
specifies the ordering of step lines within a group.
ASCENDING
displays each group in ascending group value.
DESCENDING
displays each group in descending group value.
DATA
displays each group in data order of the group variable.
Interaction:This option is ignored unless GROUP= is specified.
JUSTIFY= LEFT | CENTER | RIGHT
specifies the location of each step relative to its data point. Values for JUSTIFY= shows the effect of each option:
Values for JUSTIFY=
Image displaying the effect of each value for JUSTIFY.
LEGENDLABEL= “text-string
specifies a label that identifies the step plot in the legend. By default, the label of the Y variable or the group value for each marker is used.
LINEATTRS= style-element <(options)> | (options)
specifies the appearance of the step line. You can specify the appearance by using a style element or by using suboptions. If you specify a style element, you can also specify suboptions to override specific appearance attributes.
options can be one or more of the following:
COLOR= color
specifies the color of the line. You can specify colors using the same color schemes that are supported by SAS/GRAPH software. For more information, see Color-Naming Schemes in SAS/GRAPH: Reference.
Default:For ungrouped data, the default color is specified by the ContrastColor attribute of the GraphDataDefault style element in the current style.

For grouped data, the default color is specified by the ContrastColor attribute of the GraphData1 ... GraphDatan style elements in the current style.

PATTERN= line-pattern
specifies the line pattern for the line. You can reference SAS patterns by number or by name. For a list of line patterns, see Line Patterns.
Default:For ungrouped data, the default line pattern is specified by the LineStyle attribute of the GraphDataDefault style element in the current style.

For grouped data, the default line pattern is specified by the LineStyle attribute of the GraphData1 ... GraphDatan style elements in the current style.

THICKNESS= n <units>
specifies the thickness of the line. You can also specify the unit of measure. The default unit is pixels. For a list of measurement units that are supported, see Units of Measurement.
Default:For ungrouped data, the default line thickness is specified by the LineThickness attribute of the GraphDataDefault style element in the current style.

For grouped data, the default line thickness is specified by the LineThickness attribute of the GraphData1 ... GraphDatan style elements in the current style.

MARKERATTRS= style-element <(options)> | (options)
specifies the appearance of the markers in the plot. This option has no effect unless you also specify the MARKERS option. You can specify the appearance by using a style element or by using suboptions. If you specify a style element, you can also specify suboptions to override specific appearance attributes.
options can be one or more of the following:
COLOR= color
specifies the color of the markers. You can specify colors using the same color schemes that are supported by SAS/GRAPH software. For more information, see Color-Naming Schemes in SAS/GRAPH: Reference.
Default:For ungrouped data, the default color is specified by the ContrastColor attribute of the GraphDataDefault style element in the current style.

For grouped data, the default color is specified by the ContrastColor attribute of the GraphData1 ... GraphDatan style elements in the current style.

SIZE= n <units >
specifies the size of the markers. You can also specify the unit of measurement. The default unit is pixels. For a list of measurement units that are supported, see Units of Measurement.
Default:The default marker size is specified by the MarkerSize attribute of the GraphDataDefault style element in the current style.
SYMBOL= symbol-name
specifies the symbol for the markers. For a list of valid marker symbols, see Marker Symbols.
Default:For ungrouped data, the default marker symbol is specified by the MarkerSymbol attribute of the GraphDataDefault style element in the current style.

For grouped data, the default marker symbol is specified by the MarkerSymbol attribute of the GraphData1 ... GraphDatan style elements in the current style.

MARKERS
adds markers to the step plot data points.
NAME= “text-string
specifies a name for the plot. You can use the name to refer to this plot in other statements.
Note:The name is case-sensitive. When you refer to the specified name in other statements, you must use the same exact capitalization.
NOMISSINGGROUP
specifies that missing values of the group variable are not included in the plot.
Interaction:This option has no effect unless GROUP= is also specified.
TRANSPARENCY= numeric-value
specifies the degree of transparency for the lines. Specify a value from 0.0 (completely opaque) to 1.0 (completely transparent).
Default:0.0
URL= character-variable
specifies a character variable that contains URLs for Web pages to be displayed when parts of the plot are selected within an HTML page.
Default:By default, no HTML links are created.
Interactions:This option affects graphics output that is created through the ODS HTML destination only. For more information about ODS destinations, see Specifying a Destination.

This option has no effect unless you also specify IMAGEMAP in the ODS GRAPHICS statement. For more information, see Using the ODS GRAPHICS Statement.

YERRORLOWER= numeric-variable
specifies a variable that contains the lower endpoints for the Y error bars.
YERRORUPPER= numeric-variable
specifies a variable that contains the upper endpoints for the Y error bars.