proc format;
value aver low-1.20='<=1.20'
1.20-1.69='1.20-1.69'
1.70-2.79='1.70-2.79'
2.80-4.60='2.80-4.60'
4.60-high='>4.60';
run;
proc gmap map=maps.china data=s2;
id id;
choro average1 /missing discrete legend=legend1 cempty=black coutline=black;
format average1 aver.;
run; [/code:18684]
运行,结果如图:
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