Following types of expressions are not allowed in Ferret unlike other programming languages : "let ave=ave+2"For the loop, you may do this:repeat/name=me/range=1:6 (\)let sst_ave=(sst[d=1]+sst[d=2]+sst[d=3]+sst[d=4]+sst[d=5]+sst[d=6])/6This is usual way for limited number of variables (e.g. here 6)Regards,G SatyeshOn Mon, Jul 22, 2019 at 2:24 PM Saat Mubarrok <saatmubarrok@xxxxxxxxx> wrote:Dear community,fill/nolab/lev=(-inf)(23,32,2)(inf) ave/6 the error I get is
**ERROR: stack overflowAny lead is much appreciate. Thank youSaat M.