https://communities.sas.com/t5/SAS-Procedures/Statistical-option-MEASURES/m-p/29582#M6948 PROC FREQ operates against a single data set, so either the incoming data sets will need to be combined or in some cases summarized first and then combined. Tue, 09 Nov 2010 02:55:27 GMT ArtC 2010-11-09T02:55:27Z https://communities.sas.com/t5/SAS-Procedures/Statistical-option-MEASURES/m-p/29581#M6947 Is it possible to perform a measurement of odds ratio (proc freq data;/ MEASURES)<BR /> on variables that are in two separate databases? For example in database pre-test have the two variables,:#correct and #incorrect, in database post-test I also have: #correct and #incorrect. Can I perform this option without merging the two databases or will I have to merge them to perform the odds ratio measure. Fri, 05 Nov 2010 23:23:43 GMT https://communities.sas.com/t5/SAS-Procedures/Statistical-option-MEASURES/m-p/29581#M6947 deleted_user 2010-11-05T23:23:43Z https://communities.sas.com/t5/SAS-Procedures/Statistical-option-MEASURES/m-p/29582#M6948 PROC FREQ operates against a single data set, so either the incoming data sets will need to be combined or in some cases summarized first and then combined. Tue, 09 Nov 2010 02:55:27 GMT https://communities.sas.com/t5/SAS-Procedures/Statistical-option-MEASURES/m-p/29582#M6948 ArtC 2010-11-09T02:55:27Z