Return a table based on simply query

[AshJuri]

Hi, I am trying to perform a query that returns the dates less than/prior to the current date in the column "date". This should form a new column called "past". 

data have;
input Subject Type :$12. Date &:anydtdte.;
format date yymmdd10.;
datalines;

500   Initial    15 AUG 2017      
500   Initial    15 AUG 2017    
500   Followup   15 AUG 2018    
428   Followup    15 AUG 2018     
765   Seventh     3 AUG 2018      
500   Followup    3 JUL 2018      
428   Initial     3 JUL 2017    
765   Initial     20 JUL 2019   
610   Third       20 AUG 2019    
610   Initial     17 Mar 2018    
;

[PGStats · Accepted solution]

past = date < today();