请教如何写这个过程，将index进行arcsin转化后方差分析？先谢谢了！！
data index;
input district $ index;
datalines;
jia 19
jia 27
jia 31
jia 15
jia 24
yi 9
yi 12
yi 29
yi 18
yi 15
bing 14
bing 16
bing 21
bing 13
bing 18
;
proc anova;
  class district index;
  model ARSIN(index)= district; /*这里这句有问题，不知道怎么改*/
  means district/LSD Duncan Dunnett;
run;
quit;