I need x to = 1 - 178 (observations). So far my commands are: /* transform consumption and income variables into logs*/ data session3.combinedfiles; set session3.combinedfiles; y=log(PCECC96); x1=log(DPIC96); x2=log(MPRIME); run; /* multiple regression model: suppose Y now depends on x1 and x2: Y = beta0+ beta1 x1 + beta2 x2 + error*/ proc reg data=session3.combinedfiles; model y = x1 x2; output out=session3.est_data1 residual=e predicted=y_hat lcl=lower95 ucl=upper95; run; quit; As you can see I don't have a column called X which simply equals id. Thank you for the help.
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