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fafrin420
Fluorite | Level 6
proc sql;
  create table master_table as select a.*, b.*
  from dataseta a left join datasetb b
  on a.permno = b.permno
  where intnx('month',a.date,12,'E')>= b.date
  group by a.permno, a.date;
  quit;

Hi,

My dataset b contains r_size, size_min, size_max, permno date. This dataset has rows of observation for the month of June. The dataset a dates that ranges for all month. I want to merge the dataset b with dataset a matching permno of both dataset and giving the same row from dataset b to every month of year in dataset a that follows the month of June in dataset b . 

For example, as an end output, for permno 92719, r_size should be 0, size_min should be 0 etc. for 31DEC1990 in the merged dataset. 

:Dataset aDataset abb

1 REPLY 1
PGStats
Opal | Level 21

I guess you may need to do:

 

proc sql;
create table master_table as 
select 
    a.*, 
    b.r_size, 
    b.size_min, 
    b.size_max,
    b.date as date_b
from 
    dataseta a left join 
    datasetb b 
        on  a.permno=b.permno and 
            year(a.date) = year(b.date);
quit;
PG

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