在SAS中,跨多个分组输出最后一个值可以通过使用BY组合和RETAIN语句来实现。首先,需要使用BY语句指定要进行分组的变量,然后使用RETAIN语句来保留上一个分组的值。最后,使用IF语句来判断是否为最后一个值,并输出相应的结果。 以下是一个示例代码: 代码语言:txt 复制 data output; set input; by group; retain last_...
by group; length new_id $ 30.; length new_name $ 30.; retain new_id new_name; if first.group then do; new_id = ''; new_name = ''; end; new_id = catx(',',new_id, id); new_name = catx(',',new_name, name); if last.group then output; run; 字符连接类函数主要有ca...
(1)使用 retain 来计算,一般是先使用 retain 声明变量,然后直接使用变量进行计算 1*retain的使用,计算总体人数,但是每一个观测都会含有一个num 变量 ;2data calc_num;3retain num;4input name $ age sex $;5num+1;6cards;7zhou18f8wang23m9li34f10wu25m11;12run;1314proc print data=calc_num;15run; ...
Re: how to retain values per group Posted 01-05-2022 11:17 PM (13258 views) | In reply to HitmonTran data want; set have; by group1; retain order_seq; if first.group_1 then order_seq = value; run; @HitmonTran wrote: Hi, I have a dataset with variables: "group_1" , "gr...
这一步,主要操作是为每一个层级附上对应的汇总列频数,通过BY语句、Retain语句为组内赋值实现。 为3个层级新建对应的分组变量 (cat1, cat2, cat3),并按层级分组排序: *Create group vars; data final1; set count3; length c1 - c8 $200; if count(cat, "!") = 0 then c1 = cat; ...
group by AEBODSYS, TRTPN; create table SOCPT as select count(distinct USUBJID) as CNT1, count(*) as CNT2, AEBODSYS, AEDECOD, TRTPN from ADAE group by AEBODSYS, AEDECOD, TRTPN; quit; 6.Table shell likes “n (%)”. Here “n” indi...
20、;data c;merge a b; /*合并后即可对数据集a的观测值分组*/proc sort data=c;by group;run;方法二(更好);data a;set resdat.treat;retain groupid 0; /*规定变量groupid的初始值为0,同时规定该变量的值在下一次使用时不被清空*/groupid=groupid+1; if groupid=11 then groupid=1;/*相当于分...
为每一分组赋上组内汇总频数 (cat1n, cat2n),并以频数降序、相同频数以字母顺序升序排列: *Getcountsforthegroupvars;data final2;setfinal1;by cat1 cat2;retain cat1n cat2n;iffirst.cat1 then cat1n=num;iffirst.cat2 then cat2n=num;proc sort;bydescendingcat1n cat1descendingcat2n cat2;run;...
tables &group*cluster / norow nocol nopercent chisq out=freqout; output out=stats chisq; run; data temp sum; set freqout end=eof; by &group; retain members mode c; if first.&group then do; members=0; mode=0; end; members=members+count; ...
retain &varlist. ; set pgm_temp1; line=_N_; by &varlist.; %doi=1 %to &j.; if first.&&var&i. then fg&i.=1; else fg&i.+1; %end; keep &varlist. line fg: ; run; %letdsid=%sysfunc(open(pgm_temp1)); %letall_nobs=%sysfun...