Valentine's Day

Happy Valentine's Day!

data one;
   do t = 1 to 3*constant("pi") by 0.05;
      x = 16*sin(t)**3;
      y = 13*cos(t) - 5*cos(2*t) - 2*cos(3*t) - cos(4*t);
      output;
   end;
run;

data two;   
   set one;
   if _n_ = 70 then label = "Valentine's Day"; 
run;

ods graphics on / width=6in height= 5in;
proc sgplot data = two;
   series x = x y = y /lineattrs=(color=red thickness=5) 
      datalabel = label datalabelattrs=(color=red 
      family="garamond" style=italic size=45 weight= bold);
run;