topic Re: What does mean of declaration of two variables(Highlighted in bold) in below data step lines in New SAS User https://communities.sas.com/t5/New-SAS-User/What-does-mean-of-declaration-of-two-variables-Highlighted-in/m-p/667415#M23027 Thanks i got it, In is using for contribution at time of merge of different data and at which observation it is not contributing or contributing. Tue, 07 Jul 2020 11:47:25 GMT Rahul18 2020-07-07T11:47:25Z What does mean of declaration of two variables(Highlighted in bold) in below data step lines https://communities.sas.com/t5/New-SAS-User/What-does-mean-of-declaration-of-two-variables-Highlighted-in/m-p/667379#M23025 <P>data AHDMYHIV.CustOrd2</P><P>.</P><P>.</P><P>.</P><P>merge AHDSAS.customer_dim<STRONG>(in=inC)</STRONG> work.order_fact<STRONG>(in=inO); </STRONG></P><P>by customer_id;</P><P><STRONG>if inC=1 and inO=1</STRONG>;</P><P>run;</P> Tue, 07 Jul 2020 08:36:26 GMT https://communities.sas.com/t5/New-SAS-User/What-does-mean-of-declaration-of-two-variables-Highlighted-in/m-p/667379#M23025 Rahul18 2020-07-07T08:36:26Z Re: What does mean of declaration of two variables(Highlighted in bold) in below data step lines https://communities.sas.com/t5/New-SAS-User/What-does-mean-of-declaration-of-two-variables-Highlighted-in/m-p/667380#M23026 <P>Hi and welcome to the communities!</P> <P>&nbsp;</P> <P>See here: <A href="https://documentation.sas.com/?cdcId=pgmsascdc&amp;cdcVersion=9.4_3.4&amp;docsetId=ledsoptsref&amp;docsetTarget=n1p1o2dsuc465nn198ovwdrj9mvy.htm&amp;locale=en" target="_blank" rel="noopener">IN= Dataset Option</A></P> <P>&nbsp;</P> <P>The condition can be abbreviated to this:</P> <PRE><CODE class=" language-sas">if inC and inO;</CODE></PRE> Tue, 07 Jul 2020 08:40:55 GMT https://communities.sas.com/t5/New-SAS-User/What-does-mean-of-declaration-of-two-variables-Highlighted-in/m-p/667380#M23026 Kurt_Bremser 2020-07-07T08:40:55Z Re: What does mean of declaration of two variables(Highlighted in bold) in below data step lines https://communities.sas.com/t5/New-SAS-User/What-does-mean-of-declaration-of-two-variables-Highlighted-in/m-p/667415#M23027 Thanks i got it, In is using for contribution at time of merge of different data and at which observation it is not contributing or contributing. Tue, 07 Jul 2020 11:47:25 GMT https://communities.sas.com/t5/New-SAS-User/What-does-mean-of-declaration-of-two-variables-Highlighted-in/m-p/667415#M23027 Rahul18 2020-07-07T11:47:25Z Re: What does mean of declaration of two variables(Highlighted in bold) in below data step lines https://communities.sas.com/t5/New-SAS-User/What-does-mean-of-declaration-of-two-variables-Highlighted-in/m-p/668040#M23068 <P>For more about the IN= option, see the article<A href="https://blogs.sas.com/content/iml/2015/08/03/indsname-option.html" target="_self"> "Where did it come from? Adding the source of each observation to a SAS data set."</A>&nbsp;The article also discusses the INDSNAME= option on the SET statement, which can be a useful option to know about.</P> Thu, 09 Jul 2020 13:52:29 GMT https://communities.sas.com/t5/New-SAS-User/What-does-mean-of-declaration-of-two-variables-Highlighted-in/m-p/668040#M23068 Rick_SAS 2020-07-09T13:52:29Z