Hi, I am doing a momentum strategy research, and I am running into these errors when running a procedure (SAS Studio): ERROR 22-322: Syntax error, expecting one of the following: ;, !, !!, &, *, **, +, -, /, <, <=, <>, =, >, >=, AND, EQ, EQT, EXCEPT, GE, GET, GROUP, GT, GTT, HAVING, INTERSECT, LE, LET, LT, LTT, NE, NET, NOT, OR, ORDER, OUTER, UNION, ^, ^=, |, ||, ~, ~=. ERROR 76-322: Syntax error, statement will be ignored. The procedure: proc sql; create table umd as select distinct a.permno, a.date, b.date as date1 label='sort_date', exp(sum(log(1+b.ret))) - 1 as cmret, b.ret from commonstocks (keep=permno date) as a, commonstocks as b where a.permno=b.permno and 0<=intck('month', b.date, a.date)<&J group by a.permno, a.date having count(b.ret)=&J; quit; Thanks in advance
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