DATASKIN: 控制plots的显示，看起来是否更光滑等。

ods html;

proc template;
define statgraph _bubbleplot;
begingraph;
    layout overlay / xaxisopts = (griddisplay = on) yaxisopts = (griddisplay = on);
        bubbleplot x = height y = weight size = age / group = sex dataskin = gloss name = "a";
        discretelegend 'a' / location = inside valign = bottom halign = right 
                             across = 4 title = "Sex:";
    endlayout;
endgraph;
end;
run;

proc sgrender data = sashelp.class template = _bubbleplot;
run;