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st: datasignature or cf

From   raoul reulen <>
Subject   st: datasignature or cf
Date   Tue, 20 Apr 2010 11:04:00 +0100

Dear all

A colleague has sent me a Stata datafile that I previously emailed to
him. I want to check whether any values of variables (including string
variables) have changed. I can use datasignature or cf to check this,
but which one is more precise? What exactly is the difference? Thanks.

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