
          SERIESPLOT X = _xvar Y = _yvar1 /
                     MARKERATTRS = (SIZE = 10PX)
                     LINEATTRS = (THICKNESS = 3PX)
                     NAME = 'series'
                     GROUP = _group
                     ;
          SCATTERPLOT X = _xvar Y = _yvar1 /
                      YERRORUPPER = _yupper1
                      YERRORLOWER = _ylower1
                      MARKERATTRS = (SIZE = 10PX)
                      GROUP = _group
                      ;
Add horizontal reference lines, if requested:
          IF (_yintercepta)
            LINEPARM X = 0 Y = _yintercepta SLOPE = 0 / LINEATTRS = (PATTERN = DOT);
          ENDIF;
          IF (_YINTERCEPTB)
            LINEPARM X = 0 Y = _yinterceptb SLOPE = 0 / LINEATTRS = (PATTERN = DOT);
          ENDIF;
Add a legend for the connecting lines:
          DISCRETELEGEND 'series' /
                         ACROSS = 4
                         BORDER = FALSE
                         VALIGN = TOP
                         ;
        ENDLAYOUT;
Define the bottom area and fill with a scatter plot of the counts as character values:
        LAYOUT OVERLAY /
               PAD = (BOTTOM = 2% LEFT = 2% RIGHT = 2%)
               BORDER = FALSE
               WALLDISPLAY = NONE
               XAXISOPTS = (DISPLAY = NONE)
               X2AXISOPTS = (DISPLAY = NONE)
               Y2AXISOPTS = (DISPLAY = NONE)
               YAXISOPTS = (DISPLAY = (TICKVALUES)) 
               ;
          SCATTERPLOT X = _xvar Y = _group / 
                      MARKERCHARACTERATTRS = (COLOR = BLACK)
                      MARKERCHARACTER = _nvar1
                      ;
        ENDLAYOUT;    
      ENDLAYOUT; /* lattice*/
Add the footnotes:
      ENTRYFOOTNOTE HALIGN = LEFT _footnote;            
      ENTRYFOOTNOTE HALIGN = LEFT _footnote2;
      ENTRYFOOTNOTE HALIGN = LEFT _footnote3;
    ENDGRAPH;
  END;
RUN;
CREATE THE PLOT
Generate the graph, requesting the horizontal reference lines:
%LET pgm=v92_ods_lineplot;
OPTIONS NODATE NONUMBER ORIENTATION = LANDSCAPE;
/*--- Figure 2: Plot CHAIR as line plot with reference lines ---*/
TITLE ' ';
ODS RTF FILE = "&pgm._chair.rtf" STYLE = serifprinter;
ODS GRAPHICS ON;
4
Re
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 and Information Visualization