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st: Semi-bug

From   "Fred Wolfe" <>
Subject   st: Semi-bug
Date   Thu, 6 Mar 2008 07:59:52 -0600

I have come across a wrong error message.

The variable -novar- does not exist.

. duplicates drop patkey date if novar !=.,force
varlist not allowed

. duplicates drop patkey date if date != .,force

Duplicates in terms of patkey date

(38 observations deleted)

I suspect that -novar- is passed as a macro and generates this message
because it is missing.

It took a while to figure all of this out. So fixing the message might
be of help to others.

Fred Wolfe
National Data Bank for Rheumatic Diseases
Wichita, Kansas
NDB Office  +1 316 263 2125 Ext 0
Research Office +1 316 686 9195
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