topic Checking if some variables meet criteria in SAS Programming

Checking if some variables meet criteria

rj438 — Mon, 11 May 2020 18:33:14 GMT

I have a question on something I know how to do the long way but am looking for more efficient code.

ID	A	B	C	D	E	F	G	Status
1	0	2	2	0	1	0	2	Intermed
2	2	2	1	2	2	2	1	Ideal
3	2	0	0	0	1	1	2	Poor
4	1	2	2	2	2	2	1	Ideal

I have 7 variables (A-G) that are all coded 0, 1 or 2. I need to categorize participants based on whether at least 5 to 7 of these variables = 2 (ideal) vs. 3-4 (intermediate) vs. 0-2 (poor), aka the Status variable on the table. What is the best way to do this?

Thanks for any help!

Re: Checking if some variables meet criteria

novinosrin — Mon, 11 May 2020 18:42:25 GMT

proc format lib=work;
 value grp
 0-2='Poor'
 3-4='Intermed'
 5-7='Ideal'
 other='Undefined'
 ;



data have;
input ID	A	B	C	D	E	F	G	Status $;
cards;
1	0	2	2	0	1	0	2	Intermed
2	2	2	1	2	2	2	1	Ideal
3	2	0	0	0	1	1	2	Poor
4	1	2	2	2	2	2	1	Ideal
;

data want;
 set have;
 array t A	B	C	D	E	F	G;
 status=put(countc(cats(of t(*)),'2'),grp.);
run;

proc print noobs;run;

ID	A	B	C	D	E	F	G	Status
1	0	2	2	0	1	0	2	Intermed
2	2	2	1	2	2	2	1	Ideal
3	2	0	0	0	1	1	2	Poor
4	1	2	2	2	2	2	1	Ideal

Re: Checking if some variables meet criteria

ballardw — Mon, 11 May 2020 18:46:10 GMT

Since it appears that you actually want to count the number of two's that appear, if I understand then something like this will do the counting:

data have;
  input ID	A	B	C	D	E	F	G	 ;
datalines;
1	0	2	2	0	1	0	2
2	2	2	1	2	2	2	1
3	2	0	0	0	1	1	2
4	1	2	2	2	2	2	1
;

data want;
   set have;
   Numberof2 = countc(cats(a,b,c,d,e,f,g),'2');
run;

You could use a custom format to assign text based on the value of Numberof2 or an it/then/else block to create a text variable.

Please note the data step to provide something code can be run against.