https://communities.sas.com/t5/SAS-Procedures/Missing-Values/m-p/61412#M17436 Have a look at <A href="http://support.sas.com/onlinedoc/913/getDoc/da/lrcon.hlp/a001292604.htm" target="_blank">http://support.sas.com/onlinedoc/913/getDoc/da/lrcon.hlp/a001292604.htm</A> Thu, 13 Nov 2008 21:36:16 GMT GertNissen 2008-11-13T21:36:16Z https://communities.sas.com/t5/SAS-Procedures/Missing-Values/m-p/61411#M17435 Hi,<BR /> Can any body explain me , how SAS treats missing values in general?<BR /> <BR /> Thanks,<BR /> SAS_Learner Thu, 13 Nov 2008 21:09:54 GMT https://communities.sas.com/t5/SAS-Procedures/Missing-Values/m-p/61411#M17435 deleted_user 2008-11-13T21:09:54Z https://communities.sas.com/t5/SAS-Procedures/Missing-Values/m-p/61412#M17436 Have a look at <A href="http://support.sas.com/onlinedoc/913/getDoc/da/lrcon.hlp/a001292604.htm" target="_blank">http://support.sas.com/onlinedoc/913/getDoc/da/lrcon.hlp/a001292604.htm</A> Thu, 13 Nov 2008 21:36:16 GMT https://communities.sas.com/t5/SAS-Procedures/Missing-Values/m-p/61412#M17436 GertNissen 2008-11-13T21:36:16Z