在SAS中：如何按组合并行中的非零值

作者: 咿呀哟
发布时间: 2025-01-13 09:52:01 (18天前)
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❀⚘粉༵红༵回༵忆༵⚘❀ | 2019-08-31 10-32

<div class =“post-text”itemprop =“text”> <P> 使用 <code> Proc MEANS </code> 同 <code> BY </code> 和 <code> OUTPUT </code> 声明。 </p> <pre> <code> data have; rownum = 0; do rowid = 1 to 1000; subjectid + 1; do measurenum = 1 to 6; do repeat = 1 to ceil(4 * ranuni(123)); array flags flag1-flag999; do _n_ = 1 to dim(flags); flags(_n_) = ranuni(123) < 0.10; if subjectid < 7 and measurenum = subjectid then flags(_n_) = .; end; rownum + 1; output; end; end; end; keep rownum measurenum subjectid flag:; run; proc means noprint data=have; by subjectid measurenum; var flag:; output max=; run; </code> </pre> </DIV>

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