What if the %LET = a column name, but it doesn't define a specific row of dat? What value does it receive? I'm not a SAS programmer, just trying to read it and convert it to SQL. The routine creates a table of values and does this: PROC SORT DATA=CURNSN&cnt; BY IINSGM; RUN; %LET newcol&cnt=IAC_&Q._&NUDCYCLE; %LET nicd&cnt=NEWITMCD_&Q._&NUDCYCLE; I have the &cnt value, the &Q value and the &NUDCYCLE value. Both LET values correspond to a column. Which row will provide the value? I'm guessing the last, or possibly the first? ... View more