Maxim 1: Read the Documentation. For functions, go here: https://documentation.sas.com/?cdcId=pgmsascdc&cdcVersion=9.4_3.4&docsetId=lefunctionsref&docsetTarget=titlepage.htm&locale=en ... View more

You have one work-around in hand, but I would propose another ...   Rather than hard-coding the all the ranges in a user-defined-format, I would recommend just over-riding the bad range for the first (missing) value in the legend statement. The t=1 specifies the first item in the legend, and the '.' is the value you want to show there instead of the default.   legend1 origin=(2,10) pct mode=share across=1 label=none value=(j=r t=1 '.') shape=bar(3,4) pct;   proc gmap map= GreatChina data= userdata.p2pdata1; id id; title' Platform Collapse Rate'; choro ratio / legend=legend1 coutline=gray44 anno=anno_label midpoints= .1 TO .9 BY .2 range  missing; run; ... View more