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发帖数: 8077 | 1 作T检验，只需要三个统计量嘛，N,MEAN,STD
先求summarized statistics，再用BY-processing。跑得时间不见得少，不过至少不会
崩溃。而且这个用BY-PROCESSING可以很容易并行，最后合并结果也很容易。
134
135
136 options fullstimer;
137 data class;
138 set sashelp.class;
139 array col{20000};
140 do j=1 to dim(col); col[j]=rannor(0); end;
141 drop j;
142 run;
NOTE: There were 19 observations read from the data set SASHELP.CLASS.
NOTE: The data set WORK.CLASS has 19 observations and 20005 variables.
NOTE: DATA statement used (Total process time):... 阅读全帖 |
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