https://communities.sas.com/t5/SAS-Procedures/proc-reg-ucl-lcl-uclm-lclm/m-p/38834#M10004 What are the specific equations used for the calculations of these intervals?<BR /> <BR /> Thanks! Wed, 13 Aug 2008 23:30:36 GMT wfpp 2008-08-13T23:30:36Z https://communities.sas.com/t5/SAS-Procedures/proc-reg-ucl-lcl-uclm-lclm/m-p/38834#M10004 What are the specific equations used for the calculations of these intervals?<BR /> <BR /> Thanks! Wed, 13 Aug 2008 23:30:36 GMT https://communities.sas.com/t5/SAS-Procedures/proc-reg-ucl-lcl-uclm-lclm/m-p/38834#M10004 wfpp 2008-08-13T23:30:36Z https://communities.sas.com/t5/SAS-Procedures/proc-reg-ucl-lcl-uclm-lclm/m-p/38835#M10005 A Google.com search against the SUBJECT words revealed the PROC REG DOC link below. If you want to limit your search to the SAS.COM website as I like to do, you can add the "advanced search" option site:sas.com <BR /> <BR /> The SAS.COM support website hosts a complete set of all SAS software documentation, an incredible benefit for its user community. Bookmark it for frequent reference.<BR /> <BR /> Scott Barry<BR /> SBBWorks, Inc.<BR /> <BR /> <BR /> The REG Procedure - Model Fit and Diagnostic Statistics<BR /> <A href="http://v8doc.sas.com/sashtml/stat/chap55/sect37.htm" target="_blank">http://v8doc.sas.com/sashtml/stat/chap55/sect37.htm</A> Thu, 14 Aug 2008 14:40:17 GMT https://communities.sas.com/t5/SAS-Procedures/proc-reg-ucl-lcl-uclm-lclm/m-p/38835#M10005 sbb 2008-08-14T14:40:17Z https://communities.sas.com/t5/SAS-Procedures/proc-reg-ucl-lcl-uclm-lclm/m-p/38836#M10006 Thanks! That was very helpful! Thu, 14 Aug 2008 15:51:08 GMT https://communities.sas.com/t5/SAS-Procedures/proc-reg-ucl-lcl-uclm-lclm/m-p/38836#M10006 wfpp 2008-08-14T15:51:08Z