members who have changed their Emailable Status only once.
Means from No to Yes and Yes to No and not from y to y and n to n.
and wanted to calculate distinct new mbr id as Active members on the basis of it and
for refrence please see the attached data file.
Its really easier to put in a test datastep with some values and required output. From what I can gather something like:
proc sql;
create table WANT as
select distinct(A.MBR_ID)
from HAVE A
where exists(select distinct MBR_ID from HAVE where RESULT="YES")
and exists(select distinct MBR_ID from HAVE where RESULT="NO");
quit;
Its really easier to put in a test datastep with some values and required output. From what I can gather something like:
proc sql;
create table WANT as
select distinct(A.MBR_ID)
from HAVE A
where exists(select distinct MBR_ID from HAVE where RESULT="YES")
and exists(select distinct MBR_ID from HAVE where RESULT="NO");
quit;
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