topic Re: How to find the observations that satisfy a matching criteria? in SAS Programming https://communities.sas.com/t5/SAS-Programming/How-to-find-the-observations-that-satisfy-a-matching-criteria/m-p/142507#M28557 <HTML><HEAD></HEAD><BODY><P>To perform conditional matching, use SQL join.</P></BODY></HTML> Sat, 14 Jun 2014 18:56:49 GMT LinusH 2014-06-14T18:56:49Z How to find the observations that satisfy a matching criteria? https://communities.sas.com/t5/SAS-Programming/How-to-find-the-observations-that-satisfy-a-matching-criteria/m-p/142506#M28556 <HTML><HEAD></HEAD><BODY><P>Hello, guys. I'm trying to replicate a empirical paper and I stick in a data step. Basically, I have a list of ID, dates, industry and firm ratios. What I wan to do is to locate another company with different id but the same date in another larger data set, Also, this matching company should be in the same industry and have similar ratios (within the range of plus and minus 10% of the companies in the original list). I'm wondering anyone can help?</P><P></P><P>Thank you so much</P><P></P><P>XB</P></BODY></HTML> Sat, 14 Jun 2014 18:49:07 GMT https://communities.sas.com/t5/SAS-Programming/How-to-find-the-observations-that-satisfy-a-matching-criteria/m-p/142506#M28556 xiaobing 2014-06-14T18:49:07Z Re: How to find the observations that satisfy a matching criteria? https://communities.sas.com/t5/SAS-Programming/How-to-find-the-observations-that-satisfy-a-matching-criteria/m-p/142507#M28557 <HTML><HEAD></HEAD><BODY><P>To perform conditional matching, use SQL join.</P></BODY></HTML> Sat, 14 Jun 2014 18:56:49 GMT https://communities.sas.com/t5/SAS-Programming/How-to-find-the-observations-that-satisfy-a-matching-criteria/m-p/142507#M28557 LinusH 2014-06-14T18:56:49Z Re: How to find the observations that satisfy a matching criteria? https://communities.sas.com/t5/SAS-Programming/How-to-find-the-observations-that-satisfy-a-matching-criteria/m-p/142508#M28558 <HTML><HEAD></HEAD><BODY><P>This is a common problem in epidemiology.&nbsp; Sufficiently so, that some macros have been developed.&nbsp; Check out</P><P><A class="active_link" href="http://support.sas.com/resources/papers/proceedings10/061-2010.pdf" title="http://support.sas.com/resources/papers/proceedings10/061-2010.pdf">http://support.sas.com/resources/papers/proceedings10/061-2010.pdf</A></P><P>(I just googled</P><P>matching macro site:sas.com</P><P>).</P><P></P><P>As LinusH suggests, you could do it as a one-off with SQL.&nbsp; If your large data set is really big, the computer time might be huge.</P></BODY></HTML> Wed, 18 Jun 2014 02:35:45 GMT https://communities.sas.com/t5/SAS-Programming/How-to-find-the-observations-that-satisfy-a-matching-criteria/m-p/142508#M28558 Doc_Duke 2014-06-18T02:35:45Z