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#Jmp graph builder labels how to#

You can display labels for reference lines. You can display a line to indicate a reference value or a sample statistic. This article shows several ways to use the REFLINE statement in PROC SGPLOT to add information to your graphs. Although you can use the COLORBANDS= option on the YAXIS statement to add alternating bands of colors to a graph, the REFLINE statement enables you to add lines that are not strictly alternating or that vary in width.Use reference lines to highlight a category of interest.Sanjay Matange shows two creative uses for reference lines for a discrete axis: Labelloc=inside label= "Fiscal /Year " splitchar= "/" /* split label */īecause you can control the thickness of the reference lines, you can use them for many purposes.

Refline "19Q2" / axis= x discreteoffset= 0.5 /* move ref line to right */ * for a discrete variable, specified the formatted value */

The REFLINE statement supports a SPLITCHAR= option that you can use to split a long label across multiple lines.

In the example, DISCRETEOFFSET=0.5 moves the line between the reference category and its neighbor to the right. Positive values move the line to the right negative values move the line to the left. You can use the DISCRETEOFFSET= option and a value in the interval to move the line left or right of center.

By default, the reference line will be in the middle of the category.

If the categorical variable has a format, you need to specify the formatted value.

In the following example, I use a reference line to indicate a fiscal year. Another application is simply drawing a line that separates one set of categories from another. One application that I can think of is displaying an expected value for a discrete probability distribution. You can also display reference lines on a discrete axis, although it is not common. Refline 120 130 / axis=y label= ( 'Elevated' 'Hypertensive' ) lineattrs=GraphData2 Refline 200 240 / axis= x label= ( 'Borderline' 'High' ) lineattrs=GraphData2 Heatmap x=Cholesterol y=Systolic / colormodel= (CXDEEBF7 CX9ECAE1 CX3182BD ) Title "Clinical Ranges of Systolic Blood Pressure and Cholesterol" The following example adds labels to the previous example. LABELPOS= option to specify whether the label is displayed at the top or bottom (for a vertical reference line) orĪt the left or right (for a horizontal reference line). I like "outside" (the default) because then the line does not interfere with the label. LABELLOC= option to put the label inside or outside the data area of the graph. You can use the LABEL= option to specify one or more labels.

If you might want to add a label to the reference lines,

#Jmp graph builder labels how to#

In this example, I used the optional LINEATTRS= option to show how to change the color, line pattern, and thickness of the reference lines. Put REFLINE stmt first if you want it behind the bars */ run Refline 200 240 / axis= x lineattrs= (thickness= 3 color=darkred pattern=dash ) Set sashelp.Heart ( where= (Cholesterol< 400 ) ) You can use reference lines to indicate good, borderline, and high cholesterol. The following histogram shows the distribution of cholesterol values for 5,195 subjects. The Sashelp.Heart data set contains cholesterol and blood pressure information for patients in a heart study. A cholesterol level that is 240 or more is considered high. A "borderline" (or moderately elevated) cholesterol level is between 200 and 240 mg/dL. The reference lines are perpendicular to the axis.Ī simple use of a reference line is to indicate a reference value on a histogram.įor example, a healthy total cholesterol level is less than 200 mg/dL. You then use the AXIS=X or AXIS=Y option to specify which axis the reference lines are for. You can specify one or more values (separated by spaces) or you can specify a variable in the data set that contains the values at which to display the reference lines. The REFLINE statement in PROC SGPLOT is easy to use. Use reference lines for a categorical variable on a discrete axis.Display a reference line at a value such as a mean or median.This article provides multiple "Getting Started" examples that show how to use the REFLINE statement This article discusses the REFLINE statement in PROC SGPLOT in SAS. Sometimes you can let the data "speak for themselves" in an unadorned graphic, but sometimes it is helpful to add reference lines to a graph to emphasize key features of the data. A purpose of data visualization is to convey that story to the reader in a clear and impactful way.