SAS/GRAPH Software: Reference

Example 1. Ordering Axis Tick Marks with SAS Datetime Values

Features:

AXIS statement options:

COLOR=

LABEL=

MAJOR=

MINOR=

OFFSET=

ORDER=

FOOTNOTE statement option:

HEIGHT=

SYMBOL statement options:

CI=

CV=

INTERPOL=

WIDTH=

GOPTIONS statement options:

FTITLE=

GUNIT=

HTEXT=

HTITLE=

Sample library member: GR08N01

[IMAGE]

This example uses SAS datetime values with an AXIS statement's ORDER= option to set the major tick marks on the horizontal axis. It adjusts the position of the first and last major tick marks.

The example also uses HILOCTJ interpolation in a SYMBOL statement to join minimum and maximum values. The default unit specification for heights in the graph are percent of the graphics output area as specified by GUNIT= in the GOPTIONS statement. The GOPTIONS statement also specifies the default fonts for TITLE1 and for other text.

Set the graphics environment. GUNIT= specifies the units in percent of the graphics output area. HTITLE= specifies the height for TITLE1 text. HTEXT= specifies the height for all other text. FTITLE= specifies SWISSB as the font for TITLE1.

goptions reset=global gunit=pct border
         cback=white
         colors=(black blue green red)
         ftitle=swissb ftext=swiss htitle=6
         htext=4;

Create the data set. DOWHLC contains the high, low, and close values of the Dow Jones Industrial index for each business day for a month.

data dowhlc;
     input date date9. high low close;
     format date date9.;
     datalines;
02JAN1997   6511.38  6318.96  6442.49
03JAN1997   6586.42  6437.10  6544.09
...more data lines...
30JAN1997   6621.82  6481.75  6600.66
31JAN1997   6621.82  6481.75  6600.66
;

Prepare the data for a high-low plot. DOWHLC2 generates three records for each date, storing each date's high, low, and close values in variable DOW.

data dowhlc2;
   set dowhlc;
   drop high low close;
   dow=high; output;
   dow=low; output;
   dow=close; output;

Define titles and footnote. HEIGHT=3 in the FOOTNOTE statement overrides the height specified by HTEXT= in the GOPTIONS statement.

title1 'Dow Jones High-Low-Close';
title2 'January, 1997';
footnote height=3 justify=right 'GR08N01 ' ;

Define symbol characteristics. INTERPOL=HILOCTJ specifies that the minimum and maximum values of DOW are joined by a vertical line with a horizontal tick mark at each end. The close values are joined by straight lines. CV= colors the vertical lines, and CI= colors the line that joins the close values. WIDTH= controls the thickness of the line that joins the close points.

symbol interpol=hiloctj
       cv=blue
       ci=red
       width=2;

Define characteristics of the horizontal axis. ORDER= uses a SAS date value to set the major tick marks. OFFSET= moves the first and last tick marks to make room for the tick mark value. COLOR= makes all axis elements red. MAJOR= and MINOR= modify the size and color of the major and minor tick marks.

axis1 order=('30DEC96'd to '03FEB97'd by week)
      offset=(3,3)
      color=blue
      label=none
      major=(height=3 width=2)
      minor=(number=6 color=red height=2 width=1)
      width=3;

Define characteristics of the vertical axis. LABEL=NONE suppresses the AXIS label. The COLOR= suboption in MINOR= overrides the COLOR= option.

axis2 color=blue
      label=none
      major=(height=3)
      minor=(number=4 color=red height=1)
      offset=(2,2);

Generate the plot and assign AXIS definitions. HAXIS= assigns AXIS1 to the horizontal axis, and VAXIS= assigns AXIS2 to the vertical axis.

proc gplot data=dowhlc2;
   plot dow*date / haxis=axis1
                   vaxis=axis2;
run;
quit;

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