SAS Retain1
2019-05-20 本文已影响0人
不连续小姐
SAS Day 35
Once, I supposed to generate an Overall Response dataset including Label(lbl), patients with escalation(esc_y), patients without escalation(esc_n), and total patient(all) . Most of the time, the following dataset is sufficient for the purpose, however, the request was special, we have a tiny challenge.
imageChallenge :
so we need the dataset to be in exact order:
label, escalation yes, escalation no, all, order
anaterate / Pixabay[/caption]
Solution Code:
Key statement: **Retain **
data t;
retain lbl esc_y esc_n all ord;
set all;
keep esc_y lbl esc_n all ord;
run;
Final Output:
imageNote:the request was really late, thanks very much to Cindy to share the Retain trick with me! so i can update it in 2 mins and go to my YOGA Class!