WebNov 28, 2024 · Assuming the data is sorted by your grouping variables then just use BY group processing. data want; set have; by var1-var6 ; groupid + first.var6 ; run; Or you could just convert the 6 binary variables into a … WebJan 6, 2016 · An optional else statement can be included (if-then-else) to provide an alternative action when the if expression is false. if age ge 65 then older=1; else older=0; For a person whose age is less than 65, the variable older will equal 0. An optional else-if statement can follow the if-then statement. SAS evaluates the expression in the else-if ...
SAS (R) 9.2 Language Reference: Concepts, Second Edition
Webvaccination. The specification and logic for creating the records and performing the analysis is straight forward and compact. Creating additional records takes less computing time … WebCreating flags: Indicator variables - SAS Tutorial From the course: SAS Essential Training: 1 Descriptive Analysis for Healthcare Research Start my 1-month free trial Buy this course... cystic fibrosis and second hand smoke
Efficacy ADaMs in Oncology – Step by Step (Dataset by Dataset)
WebMar 18, 2024 · then isch_flag = 1; THE SAS COLON MODIFIER The SAS colon modifier, used as either “=:” or “in:”, is a very handy tool for analyzing diagnosis codes, especially because researchers are usually concerned with the first 3 or 4 characters of a diagnosis code variable. When used after “=” or “in”, the colon modifier WebAug 23, 2024 · Add a flag that meet certain conditions in a data frame Ask Question Asked 5 years, 7 months ago Modified 5 years, 7 months ago Viewed 2k times Part of R Language Collective Collective 1 For each subject, if either Cmax or AUC is zero, then FLAG should be 0. If both are 1 then FLAG=1. WebFeb 24, 2016 · 1 You can do this in a PROC SQL : proc sql ; create table want as select h1.A, h1.B, h2.UNIQUE_B, case when h2.UNIQUE_B = 1 then 'Not MC' else 'MC' end as MC from have h1 left join (select A, count (distinct (B)) as UNIQUE_B from have group by A) h2 on h1.A = h2.A order by h1.A ; quit ; Share Improve this answer Follow binder thread pool 31 threads starved for