https://communities.sas.com/t5/SAS-Data-Science/how-to-include-two-data-sets-in-one-process-flow-in-SAS-EM/m-p/567054#M7852 The extra variables should be fine, but if you have variables with the same name, they should be the same types. If you can't stack them together then you have to run each independently. Tue, 18 Jun 2019 20:01:45 GMT Reeza 2019-06-18T20:01:45Z https://communities.sas.com/t5/SAS-Data-Science/how-to-include-two-data-sets-in-one-process-flow-in-SAS-EM/m-p/567036#M7849 <P>&nbsp;</P><P>I'm curious is there anyway to run a flow on different data sets? say something as following.&nbsp;</P><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="question.PNG" style="width: 600px;"><img src="https://communities.sas.com/t5/image/serverpage/image-id/30385i13D2C415AC5BD5D7/image-size/large?v=v2&amp;px=999" role="button" title="question.PNG" alt="question.PNG" /></span></P><P>However, it only gives me the regression result for data1. I don't want to repeat regression node for each data.</P><P>&nbsp;</P><P>Thanks.</P> Tue, 18 Jun 2019 19:28:04 GMT https://communities.sas.com/t5/SAS-Data-Science/how-to-include-two-data-sets-in-one-process-flow-in-SAS-EM/m-p/567036#M7849 liyongkai800 2019-06-18T19:28:04Z https://communities.sas.com/t5/SAS-Data-Science/how-to-include-two-data-sets-in-one-process-flow-in-SAS-EM/m-p/567043#M7850 Add an Append/combine task to combine the data sets into one, and then use the Regression Node. Tue, 18 Jun 2019 19:30:40 GMT https://communities.sas.com/t5/SAS-Data-Science/how-to-include-two-data-sets-in-one-process-flow-in-SAS-EM/m-p/567043#M7850 Reeza 2019-06-18T19:30:40Z https://communities.sas.com/t5/SAS-Data-Science/how-to-include-two-data-sets-in-one-process-flow-in-SAS-EM/m-p/567051#M7851 I have different structures for data1 and data2, so it shows something unexpected if I combine them into one big data. data1 is 6 rows, 2 cols; data2 is 8rows, 3 cols. Tue, 18 Jun 2019 19:54:44 GMT https://communities.sas.com/t5/SAS-Data-Science/how-to-include-two-data-sets-in-one-process-flow-in-SAS-EM/m-p/567051#M7851 liyongkai800 2019-06-18T19:54:44Z https://communities.sas.com/t5/SAS-Data-Science/how-to-include-two-data-sets-in-one-process-flow-in-SAS-EM/m-p/567054#M7852 The extra variables should be fine, but if you have variables with the same name, they should be the same types. If you can't stack them together then you have to run each independently. Tue, 18 Jun 2019 20:01:45 GMT https://communities.sas.com/t5/SAS-Data-Science/how-to-include-two-data-sets-in-one-process-flow-in-SAS-EM/m-p/567054#M7852 Reeza 2019-06-18T20:01:45Z