https://communities.sas.com/t5/Statistical-Procedures/number-of-observations-read-versus-used-in-proc-glmselect/m-p/331989#M17537 <P>You have missing values which are automatically excluded.&nbsp;</P> Sun, 12 Feb 2017 19:33:58 GMT Reeza 2017-02-12T19:33:58Z https://communities.sas.com/t5/Statistical-Procedures/number-of-observations-read-versus-used-in-proc-glmselect/m-p/331981#M17536 <P>Could anyone please be so kind and explain why the 'number of observations used' could ver be lower than the&nbsp;<SPAN>'</SPAN><SPAN>number of observations read' when I use proc glmselect? Thanks!</SPAN></P> Sun, 12 Feb 2017 17:41:02 GMT https://communities.sas.com/t5/Statistical-Procedures/number-of-observations-read-versus-used-in-proc-glmselect/m-p/331981#M17536 csetzkorn 2017-02-12T17:41:02Z https://communities.sas.com/t5/Statistical-Procedures/number-of-observations-read-versus-used-in-proc-glmselect/m-p/331989#M17537 <P>You have missing values which are automatically excluded.&nbsp;</P> Sun, 12 Feb 2017 19:33:58 GMT https://communities.sas.com/t5/Statistical-Procedures/number-of-observations-read-versus-used-in-proc-glmselect/m-p/331989#M17537 Reeza 2017-02-12T19:33:58Z