Display 'No Observations'

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Code for Displaying 'No Observations':

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***** FINAL IS THE DATASET WITH 0 OBSERVATION *****;

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proc sql noprint;
select count (*) into : n from final;
run;

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*if observation is not equal to 0 set final, else if the observation is equal to 0 then display no observation in the first column (usubjid);

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data disp;
length usubjid $20;
if &n^ = 0 then set final;
else usubjid = 'No Observations';
run;

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