General SAS Question

robertrao — Sat, 18 May 2013 15:51:37 GMT

Hi,

I have a dataset(1) and want only the duplicates by MRN to output into another dataset(2)

so that I want to look at those MRN with multiple records very closely....

Thanks

Dataset1(HAVE)

MRN

101

102

103

104

Dataset2(WANT)

101

104

Re: General SAS Question

Tom — Sat, 18 May 2013 16:02:05 GMT

data want; set have; by mrn; if not (first.mrn and last.mrn); run;