https://communities.sas.com/t5/SAS-Programming/IF-THEN-statements-in-SAS-with-character-variables/m-p/498629#M132559 <P>You could <A href="https://communities.sas.com/t5/SAS-Programming/Concatenate-strings-in-alphabetic-order/td-p/105950" target="_self">Concatenate In Alphabetical Order</A>.</P> Tue, 25 Sep 2018 03:14:40 GMT PeterClemmensen 2018-09-25T03:14:40Z https://communities.sas.com/t5/SAS-Programming/IF-THEN-statements-in-SAS-with-character-variables/m-p/498626#M132557 <P>&nbsp;</P> <PRE><CODE class=" language-sas">if drug=pimozide then ddi1=pimozide; if drug=ziprasidone&nbsp;then ddi1=ziprasidone; if drug=selegiline&nbsp;then ddi1=selegiline; &nbsp; drugp="pimozide"; drugp="fluconazole"; drugp="ziprasidone"; &nbsp; ddicomb=ddi1||drugp;</CODE></PRE> <P>&nbsp;</P> <P>I want<SPAN>&nbsp;if&nbsp;ddicomb=fluconazole</SPAN><SPAN>||ziprasidone and&nbsp;ddicomb==ziprasidone||fluconazole as same&nbsp;ddicomb</SPAN></P> <P><SPAN>how can I &nbsp;make it? &nbsp;Thank you so much!</SPAN></P> <P>&nbsp;</P> Tue, 25 Sep 2018 03:44:21 GMT https://communities.sas.com/t5/SAS-Programming/IF-THEN-statements-in-SAS-with-character-variables/m-p/498626#M132557 xinyao 2018-09-25T03:44:21Z https://communities.sas.com/t5/SAS-Programming/IF-THEN-statements-in-SAS-with-character-variables/m-p/498627#M132558 <P>you may want to use concatenation.&nbsp; This link&nbsp;may assist you in understanding how to use concatenate.</P><P>&nbsp;</P><P><A href="https://stats.idre.ucla.edu/sas/modules/concatenating-data-files-in-sas/" target="_blank">https://stats.idre.ucla.edu/sas/modules/concatenating-data-files-in-sas/</A></P><P>Happy trails&nbsp;<img id="manhappy" class="emoticon emoticon-manhappy" src="https://communities.sas.com/i/smilies/16x16_man-happy.png" alt="Man Happy" title="Man Happy" /></P> Tue, 25 Sep 2018 02:29:15 GMT https://communities.sas.com/t5/SAS-Programming/IF-THEN-statements-in-SAS-with-character-variables/m-p/498627#M132558 VDD 2018-09-25T02:29:15Z https://communities.sas.com/t5/SAS-Programming/IF-THEN-statements-in-SAS-with-character-variables/m-p/498629#M132559 <P>You could <A href="https://communities.sas.com/t5/SAS-Programming/Concatenate-strings-in-alphabetic-order/td-p/105950" target="_self">Concatenate In Alphabetical Order</A>.</P> Tue, 25 Sep 2018 03:14:40 GMT https://communities.sas.com/t5/SAS-Programming/IF-THEN-statements-in-SAS-with-character-variables/m-p/498629#M132559 PeterClemmensen 2018-09-25T03:14:40Z https://communities.sas.com/t5/SAS-Programming/IF-THEN-statements-in-SAS-with-character-variables/m-p/498630#M132560 <P>1. Please change the title of your post to something more meaningful</P> <P>&nbsp;</P> <P>2. Did you forget some quotes in your code?</P> <P>&nbsp;</P> <P>3. == is not a valid operator in SAS</P> <P>&nbsp;</P> Tue, 25 Sep 2018 03:16:47 GMT https://communities.sas.com/t5/SAS-Programming/IF-THEN-statements-in-SAS-with-character-variables/m-p/498630#M132560 ChrisNZ 2018-09-25T03:16:47Z https://communities.sas.com/t5/SAS-Programming/IF-THEN-statements-in-SAS-with-character-variables/m-p/498897#M132660 Thank you so much! Wed, 26 Sep 2018 00:45:56 GMT https://communities.sas.com/t5/SAS-Programming/IF-THEN-statements-in-SAS-with-character-variables/m-p/498897#M132660 xinyao 2018-09-26T00:45:56Z