Date:         Tue, 23 Dec 2003 08:49:28 -0500
Reply-To:     "Fuchs, Tom" <Tom.Fuchs@LGEENERGY.COM>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         "Fuchs, Tom" <Tom.Fuchs@LGEENERGY.COM>
Subject:      Re: How to SUM a Range of Variables in PROC MEANS
Content-Type: text/plain; charset="us-ascii"

Stephen,

If your V1S1-V1S25 are TRUE/FALSE variables imported from Excel (or
similar source), the values would be negative.  That would explain your
negative sums.

TRUE = -1
FALSE = 0

Does this help?