Annotate specific points in a graph

/* In this expamle shows how to label part of the data */

/* Using annotate in SAS GPLOT */

goptions reset=all cback=white border htitle=12pt htext=10pt;

/* Set up the annotate data sets */

data anno;

      length function colot $8.;

      retain xsys ysys '2' ;

      set sasuser.admit;

      if weight gt 160 then do;

            function='label';

            x=weight;

            y=height;

            color='black';

            position='2';

            text=trim(left(put(height,6.1)));

            output;

      end;

run;

title1 'Annotate specific points on a graph';

/* Set up symbols and axises */

symbol1 interpol=none value=dot color=vibg h=1.2;

axis1 label=("Weight in pounds") offset=(2,2)pct;

axis2 label=(a=90 "Height in inches") order=(55 to 80 by 5) minor=(n=4);

proc gplot data=sasuser.admit;

      plot height*weight / haxis=axis1 vaxis=axis2 href=160 lhref=20 chref=depk annotate=anno;

      /* href draws the verticle line in the plot */

run;

quit;

***********************************************************************************

goptions reset=all cback=white border htitle=12pt htext=10pt;

/* Set up the annotate data sets */

data anno2;

      length function color $8.;

      retain xsys ysys '2' ;

      set sasuser.admit;

      function='symbol';

      size=2;

      x=weight;

      y=height;

      text='dot';

      if weight gt 160 then color='depk';

            else color='vibg';

            output;

run;

title1 'Annotate specific points on a graph with diff color';

/* Set up symbols and axises */

symbol1 interpol=none  color=white h=1.2;

axis1 label=("Weight in pounds") offset=(2,2)pct;

axis2 label=(a=90 "Height in inches") order=(55 to 80 by 5) minor=(n=4);

proc gplot data=sasuser.admit;

      plot height*weight / haxis=axis1 vaxis=axis2 href=160 lhref=20 chref=depk annotate=anno2;

      /* href draws the verticle line in the plot */

run;

quit;