proc sql noprint;
select sum(entries)/12 into :sizing from have;
quit;
data want;
set have;
prev_cumm = lag(cumm_entries);
if floor(cumm_entries/&sizing) ^= floor(prev_cumm/&sizing) then output;
run;
UNTESTED CODE
data want;
set have;
prev_cumm = lag(cumm_entries);
if floor(cumm_entries/91) ^= floor(prev_cumm/91) then output;
run;
proc sql noprint;
select sum(entries)/12 into :sizing from have;
quit;
data want;
set have;
prev_cumm = lag(cumm_entries);
if floor(cumm_entries/&sizing) ^= floor(prev_cumm/&sizing) then output;
run;
Show us the output you get. Show us the output you want to get. Oh, yeah, also give us the complete data set you are working with.
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