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看看哪里不对
data mydata;
input n price name $9.;
datalines;
1 38 sheet0007
2 162 sheet0138
3 115 sheet0142
4 190 sheet0188
5 219 sheet0198
6 367 sheet0247
7 382 sheet0257
8 39 sheet0271
9 338 sheet0439
10 66 sheet0453
11 353 sheet0462
12 343 sheet0529
13 293 sheet0543
14 296 sheet0595
15 394 sheet0626
16 217 sheet0653
17 314 sheet0678
18 326 sheet0690
19 372 sheet0728
20 64 sheet0823
21 197 sheet0863
22 395 sheet0895
; run;
data data;
set mydata nobs= nobs;
num = substr(name, 6,4);
if nobs >= 9 then do;
if n >= 6 then output; end;
keep n num;
run;
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