https://communities.sas.com/t5/SAS-Procedures/changing-values-in-a-data-set/m-p/34668#M8488 thanks but i figured it out. just some simple syntax mistakes, semicolan errors. i am a new learner but felt good to out <span class="lia-unicode-emoji" title=":slightly_smiling_face:">🙂</span> Fri, 11 Jun 2010 21:04:49 GMT saslackey 2010-06-11T21:04:49Z https://communities.sas.com/t5/SAS-Procedures/changing-values-in-a-data-set/m-p/34667#M8487 hi hve a simple swap process i need to carry out. IF LMA=12 and STATENAME='Alabama' then LMANAME="Troy-Eufaula<BR /> <BR /> and if LMA=12 and STATENAME = 'Alabama' then LMANAME='Tombigbee'<BR /> <BR /> so i wrote the code this way but it was generating errors<BR /> <BR /> LIBNAME PERM 'P:\SASData\Datasets';<BR /> DATA A;;<BR /> Set PERM.LMA;// LMA is the name of the dataset<BR /> if ((StateName='Alabama')&amp; (LandMarketAreaId = 12))<BR /> then LandMarketAreaName='Troy-Eufaula';<BR /> <BR /> what could possibily be wrong with this? Fri, 11 Jun 2010 19:45:48 GMT https://communities.sas.com/t5/SAS-Procedures/changing-values-in-a-data-set/m-p/34667#M8487 saslackey 2010-06-11T19:45:48Z https://communities.sas.com/t5/SAS-Procedures/changing-values-in-a-data-set/m-p/34668#M8488 thanks but i figured it out. just some simple syntax mistakes, semicolan errors. i am a new learner but felt good to out <span class="lia-unicode-emoji" title=":slightly_smiling_face:">🙂</span> Fri, 11 Jun 2010 21:04:49 GMT https://communities.sas.com/t5/SAS-Procedures/changing-values-in-a-data-set/m-p/34668#M8488 saslackey 2010-06-11T21:04:49Z