Hi and thank you in advance for any assistance. I was hoping to get some information on what may be a useful/best method using SAS to compare a reference data file that contains a specific set of values and labels to a production data file that utilizes the codes. For example:
Reference data:
CARMODEL CARTYPE
Camaro sport
Landcruiser suv
Explorer suv
Ranger truck
Production data file:
DRIVER CARMODEL CARTYPE
Toonces Camero sport
Danny Explorer suv
Henry Camero sport
Winston Landcruiser truck
I would like to be able to compare the production file against the reference data file to check for programming/entry errors--for example 'Camero' instead of 'Camaro' and Landcruiser incorrectly associated with truck instead of suv. I had been exploring using PROC COMPARE, but this does not seem to be the appropriate method for performing this type of one to many comparison. I would really appreciate and guidance, suggestions, or approaches anyone is willing to share. Thank you again for your time and assistance.
not tested code:
proc sql;
select * from production
where catx('-',upcase(carmodel),upcase(cartype))
not in (select catx('-',upcase(carmodel),upcase(cartype)) from reference);
quit;
not tested code:
proc sql;
select * from production
where catx('-',upcase(carmodel),upcase(cartype))
not in (select catx('-',upcase(carmodel),upcase(cartype)) from reference);
quit;
Thank you Linlin. Worked perfectly. I appreciate your taking the time to respond.
Best,
Brian
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