Hi, I am transforming some variables and want to keep their labels. For example, I took 3 months lags on each variable of interest. proc expand data=in_a out=out_b method = none; id time; %inn_cvt(innvar3=&&inxvar&inn_i3.., innlg=3); run; where &&inxvar&inn_i3.. loop through a bunch of variables. After this transformation, I want to keep the label of pre-transform variable, but edit label for after-transform variable as " pre-transform variable label + Lag 3" How can I do it? Thanks in advance. Thanks, Sunny
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