Data intervention_dataset
Proc format;
value mydategroup
'06Mar2015'd - 16Mar2020'd='2015-2020'
'17mar2020'd - '07Mar2023'd='2020-2023'
;
run;
Proc freq data=intervention_dataset;
tables (Var1 Var2 Var3) *complete_d / chisq;
format completed mydategroup.;
run; The warning received from the LOG was: Proc freq data=intervention_dataset; tables (Var1 Var2 Var3) *complete_d / chisq; format completed mydategroup.; WARNING: Variable COMPLETED not found in data set work.intervention_dataset. run; FYI, complete_d is the datasets date variable. Hopefully this information can help explain the issue...
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